Assuming that the sequence converges, its limit must be one of the two possible values of L, i.e., L = (-3 + sqrt(13)) / 2 or L = (-3 - sqrt(13)) / 2.
How to use the quadratic formula to obtain the possible values of the limit of the sequence?Given the recursive formula for the sequence, we can use the hint provided in the question to find the limit of the sequence.
Hint: If lim an = L, then lim an+1 = L as well.
Assuming that the sequence converges, i.e., lim an = L, we can apply the above hint to find the value of L. Using the recursive formula, we have:
an+1 = 1/(3+an)
Taking the limit of both sides as n approaches infinity, we get:
lim an+1 = lim 1/(3+an)
Since lim an = L, we can substitute L in place of an in the above equation, and we get:
lim an+1 = lim 1/(3+an) = 1/(3+L)
We know that lim an+1 = L as well, so we can equate the two expressions for lim an+1 to get:
L = 1/(3+L)
Solving for L, we have:
3L + L^2 = 1
L^2 + 3L - 1 = 0
Using the quadratic formula, we get:
L = (-3 ± sqrt(3^2 - 4(1)(-1))) / 2(1)
L = (-3 ± sqrt(13)) / 2
Therefore, assuming that the sequence converges, its limit must be one of the two possible values of L, i.e., L = (-3 + sqrt(13)) / 2 or L = (-3 - sqrt(13)) / 2.
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Which two parent functions do NOT have an x intercept
A) rational & square root
B) exponential & quadratic
C) rational & exponential
D) logarithmic & absolute value
Answer:
logarithmic & absolute
No option given is a correct option completely.
Various functions have been given in the question.
We have to find which of them do not have an x-intercept.
What is the process to find the x-intercept ?
To find x-intercept , set y = 0 and solve for x.
Let us discuss each parent function one by one:
1. Quadratic:
y = \(x^{2}\)
When we put x = 0, we get y = 0
Therefore, it has intercept at (0, 0).
2. Absolute Value:
y = |x|
When we put x = 0, we get y = 0
Therefore, it has intercept at (0, 0).
3. Rational:
y = \(\frac{1}{x}\)
When we put x = 0 , we get y = 0
Therefore, it doesn't have intercept at (0, 0).
4. Exponential:
y = \(b^{x}\)
b is any base
When we put x = 0 , we doesn't get y =0
Therefore, it doesn't have intercept at (0, 0).
5 . Logarithmic:
y = log (x)
When we put x = 0 , we get y = Not defined
Therefore, it doesn't have intercept at (0, 0).
6. Square root :
y = √ x
When we put x = 0 , we get y = 0
Therefore, it has intercept at (0, 0).
Thus , none of the options are perfectly correct.
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The top and bottom margins of a poster are each 9 cm and the side margins are each 6 cm. The area of printed material on the poster is fixed at 864 cm2. Find the dimensions of the printed area that minimize the area of the whole poster.
We want to find the dimensions of the poster such that the area of the whole poster is minimized .These are: Length = 325.2cm and
Width = 17cm
We can assume that the poster is a rectangle, and we know that a rectangle of length L and width W has an area:
A = L*W
Here we do know that the top and bottom margins are 9 cm each.
The side margins are 6cm each.
Then the measures of the printed areas are:
W' = W - 2*6cm = W - 12cm
L' = L - 2*9cm = L - 18cm
And we know that the area of the printed part is 1536 cm^2, then we can write:
A' = (W - 12cm)*( L - 18cm) = 864 cm^2
W*L - 12cm*L - 18cm*W + 216cm^2 = 1536 cm^2
W*L = 12cm*L + 18cm*W + 1320cm^2
And W*L is equal to the area, so what we need to minimize is:
A = 12cm*L + 18cm*W + 1320cm^2
Here we can see that the dependence of the area is larger on W than on L, so what we need to minimize is W.
We will take the smallest value of W such that the given margins are allowed.
That value would be such that:
W - 12cm > 0
W > 12cm
this could (and to be strict, should) be something like 16.0001cm, but let's use 17cm just to use whole numbers, we will get:
W = 17cm
Then to get the length we solve:
W*L = 12cm*L + 18cm*W + 1320cm^2
17cm*L = 12cm*L + 18cm*17cm + 1320cm^2
5cm*L = 1560cm^2
L = 325.2cm
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10^-2 in expanded form
10⁻² in expanded form is \(\frac{1}{100}\) in fractional form or 0.01 is decimal form.
The accepted method for representing both integer and non-integer numbers is the decimal numeral system. It is the expansion of the Hindu-Arabic numeral system to non-integer values. Decimal notation is the term used to describe the method of representing numbers in the decimal system.Numbers that are either too large or too little to be conveniently stated in decimal form can be expressed using scientific notation. It is also known as standard form in the UK and scientific form, standard index form, and standard form.The number 10⁻² is written in scientific notation.
Mathematically 10⁻²= \(\frac{1}{10^2}\)=1/100 =0.01
Hence the expanded form of 10⁻² is 0.01 .
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Graph 1.7 on a number line
Answer:
Step-by-step explanation:
1.7 lies between 1 and 2.
Kylie and Reuben are on the same mountain side with a uniform slope connecting the two of them. Find the point that is exactly halfway in-between Kyle and Reuben along the slope of the mountain.
write the shortest ML function you can that would not work correctly if implemented using statically allocated activation records. explain why it would fail. (hint: try to think ld a recursive function such that the calling activation's x is needed after recursice call)
ML function will not work correctly or fail if implemented using statically allocated activation records. This is because each activation record would have the same memory address for lst[0], which would cause the value to be overwritten each time the function is called recursively. This would result in incorrect results being returned by the function.
Here's an example of a recursive function that would not work correctly if implemented using statically allocated activation records:
def sum_list(lst):
if not lst:
return 0
else:
return lst[0] + sum_list(lst[1:])
This function takes a list of numbers and recursively sums them up. The problem with implementing this function using statically allocated activation records is that the value of lst[0] would be overwritten when the recursive call is made, since it would be stored in the same location in memory as the previous call's lst[0].
To avoid this problem, dynamic memory allocation is needed so that each activation record can have its own copy of the list, rather than sharing the same memory address. This can be done using techniques like heap allocation or dynamic arrays.
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A cashier samples the transaction of every 10th person who goes through the line at a craft store. Out of 40 people, 32 used a coupon. If 750 people go to this store each day, how many people would you expect to use a coupon?
225,165 people visited Korina's website on Saturday. On Sunday, the number of visitors decreased by 1,000. How many people visited Korina's website on Sunday?
As the number of people visiting each day is the same 404 people visited on Sunday.
We have,
A unitary method is a mathematical way of obtaining the value of a single unit and then deriving any no. of given units by multiplying it with the single unit.
Given, The water park had a total of 1,212 visitors on Friday, Saturday, and Sunday and the number of people who visited on each day is the same.
As the number of visitors is same on each day and the total number of days is three each they the number of people visited is,
= (1212/3).
= 404.
So, On Sunday 404 visitors were there.
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complete question:
The water park had a total of 1,212 visitors on Friday, Saturday, and Sunday. If the same number of people visited each day, how many visitors were there on Sunday
12. Is 3 a solution to the equation 3x - 5
= 4 + 2x ? Explain
I
Answer:
No
Step-by-step explanation:
3x-5= 4+2x
Or, x=4+5
x=9
For a one-way within-subjects ANOVA, the mean difference attributed to the manipulation is in the ________, and the mean difference attributed to individual differences is in the ________ of the test statistic. numerator; numerator denominator; numerator numerator; denominator denominator; denominator
Answer:
1. numerator;
2. denominator
Step-by-step explanation:
For a one-way within-subjects ANOVA, the mean difference attributed to the manipulation is in the NUMERATOR, and the mean difference attributed to individual differences is in the DENOMINATOR of the test statistic.
A sphere has a radius of 2x+5. which polynomial in standard form best describes the total surface area of the square? use the formula s=4pir^2 for the surface area of the sphere.
The polynomial that represents the total surface area of the sphere with a radius of 2x + 5 is given by 16πx² + 80πx + 100π.
To find the polynomial that represents the total surface area of the sphere with a radius of 2x + 5, we can use the formula for the surface area of a sphere, which is given by S = 4πr², where S is the surface area and r is the radius.
Substituting the given radius of 2x + 5 into the formula, we get:
S = 4π(2x + 5)²
To simplify this expression, we need to expand the square term:
S = 4π(4x² + 20x + 25)
Now, we can distribute the 4π across the terms inside the parentheses:
S = 16πx² + 80πx + 100π
The resulting expression is a polynomial in standard form that represents the total surface area of the sphere.
This polynomial is obtained by substituting the given radius into the surface area formula for a sphere and simplifying the expression.
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Please give the proof process: 2n3 + 3n +10 = Q( n³).
2n^3 + 3n + 10 can be written as a polynomial of the form Q(n^3), where Q(n^3) represents the set of polynomials of the form a(n^3).
To prove that the expression 2n^3 + 3n + 10 is in the set Q(n^3), where Q(n^3) represents the set of polynomials of the form a(n^3), we need to show that the expression can be written in the form a(n^3) for some constant "a".
Let's start by factoring out the common factor of n^3 from each term:
2n^3 + 3n + 10 = n^3(2 + 3/n^2 + 10/n^3)
Now, let's rewrite the expression as a single term multiplied by n^3:
2n^3 + 3n + 10 = (2 + 3/n^2 + 10/n^3)n^3
Simplifying the expression inside the parentheses:
= (2n^3 + 3n^2 + 10n^3)/n^3
= (12n^3 + 3n^2)/n^3
= 12 + 3/n
ow, we can see that the expression can be written in the form a(n^3), where a = 12 and n^3 = 3/n.
Therefore, we have shown that 2n^3 + 3n + 10 can be written as a polynomial of the form Q(n^3), where Q(n^3) represents the set of polynomials of the form a(n^3).
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A penny is dropped from the top of a new building. Its height in feet can be modeled by the equation y = 256 - 16^{2} , where x is the time in seconds since the penny was dropped. How long does it take for the penny to reach the ground?
I would greatly appreciate help with this word problem, thanks!
≧◠ᴥ◠≦✊
Answer:
4 seconds
Step-by-step explanation:
Given equation:
\(y=256-16x^2\)
where:
y = The height of the penny (in feet).x = The time since the penny was dropped (in seconds).The penny reaches the ground when the height is zero, so when y = 0.
Substitute y = 0 into the given equation and solve for x:
\(\begin{aligned}y&=256-16x^2\\y=0 \implies 0&=256-16x^2\\0+16x^2&=256-16x^2+16x^2\\16x^2&=256\\\dfrac{16x^2}{16}&=\dfrac{256}{16}\\x^2&=16\\\sqrt{x^2}&=\sqrt{16}\\x&=\pm4\end{aligned}\)
As time is positive, x = 4 only.
Therefore, it takes 4 seconds for the penny to reach the ground.
Please help me......
Answer:
B
Step-by-step explanation:
Cdef maps to jklm with the transformation (x,y) to (4x,4y) to (x-4,y-9). What is the value of ef/lm.
Answer:
EF / LM = 1 / 4
Step-by-step explanation:
Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, dilation and rotation.
Dilation is the enlargement or reduction in the size of a figure. If a point A(x, y) is dilated by a scale factor of k, the new point is at A'(kx, ky).
Translation is the movement of a point right, left, up or down. If a point A(x, y) is translated a units left and b units down, the new point is at A'(x - a, y - b).
Translation preserves the size and shape of an object. Dilation preserves the shape but not the size.
Cdef maps to jklm with the transformation (x,y) to (4x,4y) to (x-4,y-9).
CDEF was first dilated by a scale factor of 4 to get (4x,4y) before it was translated by (x-4,y-9). Since dilation changes the size of the figure, hence JKLM would be 4 times the size of CDEF. Therefore:
LM / EF = 4
EF / LM = 1 / 4
Determine HCF of 72; 487; 112
Answer:
HCF of 72,487 & 112 = 1
Step-by-step explanation:
i think this is the answer b/c HCF of 72 & 487 is 1 so HCF of 72,487 & 112 is 1
is the calculation that should be used when calculating Return on Investment A. Expected Monetary Value B. Expected Utility C. Maximin D. Minimax Regret.
Options B, C, and D (Expected Utility, Maximin, and Minimax Regret) are decision-making criteria used in different contexts, but they are not specifically related to calculating ROI.
The calculation that should be used when calculating Return on Investment (ROI) is option A: Expected Monetary Value.
ROI is a financial metric that measures the profitability of an investment by comparing the gain or loss from the investment relative to its cost. It is typically expressed as a percentage.
To calculate ROI, the expected monetary value of the investment is considered. It takes into account the potential gains or losses associated with the investment and the probabilities of those outcomes. By multiplying the potential outcomes by their respective probabilities and summing them up, the expected monetary value can be calculated.
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A 4 cylinder engine with 543 cubic centimeters has what approximate displacement.
543 cubic centimeters has 0.543 L approximate displacement
Engine displacement means the displacement of the piston inside cylinder from Bottom Dead Center into Top Dead Center in one cycle.
Basic formula to calculate engine displacement is
V = π/4 x \(D^{2}\) x H x N
Where :
D = Bore Diameter
H = Length of Stroke
N = Number of Cylinder
Since the question has already stated cubic centimeter, it has already show the displacement. So, we can ignore above formula and the 4 cylinder engine information.
First, we state what is known. It is the displacement at cubic centimeter
Cubic centimeter = 543 cc
Next, we change the unit of cubic centimeter ( cc ) into liter ( L )
Displacement = cc / 1000 L
= 543 / 1000 L = 0.543 L
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A ladder leaning against a wall makes a 35° angle with the ground. The foot of the ladder is 5 meters from the wall. What is the length of ladder?
Greetings from Brasil...
Using Cossine we will get the length L of ladder
COS 35 = 5/L
L = 6,1Find the derivative of the function at P in the direction of A f(x,y,z):xy + yz + zx, (1,-1,-2), A = 3i + 2j - 6k (DAf) | 1(1,-1,-2) =
Therefore, the directional derivative of f at P=(1,-1,-2) in the direction of A=3i+2j-6k is -2.
To find the directional derivative of f(x,y,z) at P=(1,-1,-2) in the direction of A=3i+2j-6k, we first need to find the gradient of f at P, which is given by:
grad(f) = ∇f = (∂f/∂x)i + (∂f/∂y)j + (∂f/∂z)k
Here, f(x,y,z) = xy + yz + zx, so we have:
∂f/∂x = y + z
∂f/∂y = x + z
∂f/∂z = x + y
Thus, at P=(1,-1,-2), we have:
∇f(P) = (∂f/∂x)i + (∂f/∂y)j + (∂f/∂z)k
= (y+z)i + (x+z)j + (x+y)k
= (0+(-2))i + (1+(-2))j + (1+0)k
= -2i - 1j + 1k
Next, we need to find the unit vector in the direction of A:
|A| = sqrt(3^2 + 2^2 + (-6)^2) = 7
u = A/|A| = (3/7)i + (2/7)j - (6/7)k
Finally, we can compute the directional derivative of f at P in the direction of A as:
(DAf) | 1(1,-1,-2) = ∇f(P) · u
= (-2i - 1j + 1k) · (3/7)i + (2/7)j - (6/7)k
= -6/7 - 2/7 - 6/7
= -2
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Can someone help me?? I really need the help and I would appreciate it! Thank you so much in advance! :)
y= -1/2 x - 5 write in slope intercept form.
Answer:
Hii! This is already written in slope intercept form.
For a refresher, slope intercept form is \(y=mx+b\)
\(y\) = y-coordinate
\(m\) = slope
\(x\) = x-coordinate
\(b\) = y-intercept
In this equation,
\(m\) is \(-1/2\)
\(b\) is \(-5\)
Hope this answers your questions.
The Boolean function F(x, y, z) = (y + x)(y + x')(y'+ z) is equivalent to: ? Can someone help with this?
The Boolean function F(x, y, z) is equivalent to the Boolean expression:
F(x, y, z) = xy'z + xyz' + x'y'z + x'yz' + xy'z' + x'y'z' + xyz + x'yz
The Boolean function is given as follows:
F(x, y, z) = (y + x)(y + x')(y' + z)
Using the distributive property, we can expand the given function as:
F(x, y, z) = (y + x)(y + x')(y' + z)
= (y² + xy + x'y + x' y')(y' + z)
= y² y' + y² z + xy y' + xy z + x'y y' + x'y z + x'y' y' + x'y' z
= xy'z + xyz' + x'y'z + x'yz' + x'y'z' + xy'z' + xyz + x'yz
= xy'z + xyz' + x'y'z + x'yz' + xy'z' + x'y'z' + xyz + x'yz
Therefore, the given Boolean function is equivalent to the Boolean expression:
F(x, y, z) = xy'z + xyz' + x'y'z + x'yz' + xy'z' + x'y'z' + xyz + x'yz
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Hey there, Please help me. Thank you
Answer:
(-5,-15)
Step-by-step explanation:
Answer:
(-5,-15)
Step-by-step explanation:
3x=2x-5
-2x -2x
x=-5
y=3(-5)
y=-15
If y varies inversely as x, and y= 4 when x=6, then determine the value of y when x=5.
Answer:
y = 4.8
Step-by-step explanation:
y = k/x
4 = k/6
k = 24
y = 24/5
y = 4.8
What is the area of the shaded part ? Take(π=22/7)
Answer:
Given:
radius of bigger half circle[R]=(7+7+14)/2=14cm
radius of smaller half circle [r]=14/2=7cm
Area of shaded region =1/2[πR² -πr²]
=1/2×22/7×[14²-7²]=231cm²
Area of shaded region=231cm²
Carlo puts tins into small boxes and into large boxes. He puts 6 tins into each small box. He puts 20 tins into each large box. Carlo puts a total of 3000 tins into the boxes so that number of tins in small boxes : number of tins in large boxes = 2:3 Carlo says that less than 30% of the boxes filled with tins are large boxes. Is Carlo correct? You must show all your working.
Answer:
No, he is not correct.
Step-by-step explanation:
Check the attachment.
Evaluate when x = 3, y = -3 and z = -2:
xy + 2z
Answer:
3*-3+2*-2=
Step-by-step explanation:
-13
f p is unbounded, it is possible to change its right-hand-side and make it have a finite optimum. true or false?
The statement "if the feasible set is unbounded, changing its right side can cause it to have a limited optimum" is FALSE.
What is a feasible unbounded set?We can have bounded or unbounded feasible sets. For instance, the feasible set described by the constraint set "(x ≥ 0, y ≥0)" is unbounded since there is no upper bound on the distance that one can travel while still being in the feasible area.Noting that (0,0) fulfills all of the inequalities is an easy fix. The only solution, then, is the first graph on line 2. Please take note that the feasible set is bounded.With an unbound optimal solution, the feasible region essentially reaches infinity and the optimal solution is not constrained by the constraints. Resolution: This is quite uncommon in real life.Therefore, the statement "if p is unbounded, changing its right side can cause it to have a limited optimum" is FALSE.
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PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!
You subtract the lowest point from the highest point.
Lowest Point = 6 because the lowest y value the graph reaches is 6
Highest point is 12
12 - 6 = 6.
This is the positive difference in feet (because the graph already states on the left column that the values are depth in feet) between the greatest water depth and least water depth in the graph.
Which of the following describes the function -x3 + 5?
Answer:
it's the third one trust me