Saturday
July 30, 2016

Homework Help: Math: Calculus

Recent Homework Questions About Calculus

Pre-Calculus
Determine the balance A for P dollars invested at rate R compounded N times per year for T years. Round each amount to the nearest cent P= $1000, R=3% t=10 years N=A 2=? 4=? 12=? 365=? Compounded continuously=?
Tuesday, April 26, 2016 by Juniper

Pre-Calculus
g(x)= x^2+7 Find the inverse of g(x) and state the domain and range for the inverse of g(x) using interval notation
Tuesday, April 26, 2016 by Juniper

Calculus
Two cars leave an intersection at the same time. Car X is travelling East at 50 km/hr and Car Y is travelling South at 60 km/hr. Find the rate at which the cars are separating after 30 minutes. I want its complete solution
Tuesday, April 26, 2016 by ChrismB

Calculus
Along reservoir has the shape of a right circular cone having a radius of 40m at the top and a height of 10m at the centre. it is being filled at a constant rate of 40 m^3/min.Find the rate at which the water level is rising when the height is 5m?
Tuesday, April 26, 2016 by ChrismB

Calculus
A spherical balloon is being inflated and the radius of the balloon is increasing at a rate of 2cm/min. At what rates are the volume and surface area of the balloon increasing when the radius is 5cm?
Tuesday, April 26, 2016 by ChrismB

Calculus 2
Suppose that a spring has a natural length of 25 ​cm, and that 8 J of work is needed to stretch from a length of 50 cm to 80 cm. How far beyond its natural length will a force of 32 N keep the spring​ stretched? **I've tried calculating the spring constant ...
Monday, April 25, 2016 by David

Calculus II
So I'm trying to integrate a function using partial fractions. Here is the integral of interest: ∫(3x^2+5x+3)/[(x+2)(x^2+1)]dx. Since the numerator's degree of the polynomial is lesser than that of the denominator's degree, it is clear to separate. However, ...
Monday, April 25, 2016 by Justin

Calculus
Sand pouring from a conveyor belt forms a conical pile the radius of which is 3/4 of the height. If the sand is filling up at a constant rate of 1/2m^3/min, at what rate is the height of the pile is growing 3 min after the pouring starts?
Monday, April 25, 2016 by ChrismB

Calculus II
So I have Maclaurin series for sinx = ∑(-1)^n[x^(2n+1)]/(2n+1)!. I need to write out new series for sin(x^2). This will be equivalent to squaring the whole Maclaurin series of sinx, right? I'm just confused as to what terms are squared, and thus what the final ...
Monday, April 25, 2016 by Justin

Calculus
two small planes take off from the same airport at the same time. One travels north at 200 km/h, and the other, west at 150 km/h. If the planes fly at the same altitude, how fast are they separating after 2 hours?
Monday, April 25, 2016 by Sarah

Calculus
A ladder 6m long rests against the vertical wall. How far is the top of the ladder sliding down the wall when the bottom of the ladder is 4m from the wall and sliding at a speed of 1m/s?
Monday, April 25, 2016 by Asfand

Calculus
A spherical water balloon is being filled with water at the rate of 125 cubic inches per minute. At what rate is the radius increasing when the radius is 10 inches? At what rate is the surface area increasing?
Monday, April 25, 2016 by Anonymous

Calculus
A bead moves on a circular wire x^2 + y^2 = 25. As it passes the point (3,4), the x-coordinate is decreasing at a rate of 2 units per second. At what rate is the y changing?
Monday, April 25, 2016 by Anonymous

Calculus
A man is 2 m tall is walking at a rate of 1 m per second in a straight line away from a 10 m lamppost. How fast is the tip of his shadow moving away from the lamppost?
Monday, April 25, 2016 by Anonymous

Calculus
Two cars leave an intersection at the same time. Car X is travelling East at 50 km/hr and Car Y is travelling South at 60 km/hr. Find the rate at which the cars are separating after 30 minutes.
Monday, April 25, 2016 by Andreyall

Calculus
A spherical balloon is being inflated and the radius is increasing at a constant rate of 2 cm per minute. At what rates are the volume and surface area of the balloon increasing when the radius is 5 cm? For this problem do I plug in the 5 cm into the Volume formula ( 4/3 pi r^...
Monday, April 25, 2016 by Andreyall

Calculus
Two cars leave an intersection at the same time. Car X is travelling East at 50 km/hr and Car Y is travelling South at 60 km/hr. Find the rate at which the cars are separating after 30 minutes.
Monday, April 25, 2016 by Kaya

Calculus
two small planes take off from the same airport at the same time. One travels north at 200 km/h, and the other, west at 150 km/h. If the planes fly at the same altitude, how fast are they separating after 2 hours?
Monday, April 25, 2016 by Kaya

Calculus
A boat is held at a dock by a bow line which is wound about a circular windlass 3 feet higher than the bow of the boat. How fast is the bow line increasing its length at the instant the boat is 4 feet from the dock if the boat is drifting at a rate of 7 feet per second from ...
Monday, April 25, 2016 by Kaya

CALCULUS
Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small tank is initially full of water, and the ...
Monday, April 25, 2016 by Anonymous

AP Calculus
A race car is running practice laps in preparation for an upcoming race. To judge how the car is performing, the crew takes measurements of the car's speed S(t) (in miles per hour, or mph) every minute. The measurements are given in the table below. t (min) --- S(t) (mph 0...
Monday, April 25, 2016 by Anonymous

Calculus
An equation of the line with slope -1 that passes through the point (2,5) is y=-x+7
Sunday, April 24, 2016 by Ryan

Calculus quick question pls
Why is there no vertical asymptote on F(x) = x/(x^2+1) What i learned is that to find vertical asymptote you have to set the denominator To 0 and solve for x ? In that case I find that x=-1,1
Sunday, April 24, 2016 by Amelia

calculus
Find the maximum value of the function f(x)=(x^2+9x-3) / x^2
Sunday, April 24, 2016 by Jay

calculus
Find the critical numbers for the function f(x) = 2x / sqrt(x-1)
Sunday, April 24, 2016 by Jay

Calculus
a(t)=4sin3t;v(0)=1,s(0)=6 I'm trying to find expression for s(t). Should I wait till the end to add find and add constant. I got [1/9(13t-4sin(3t))+6] and it was wrong.
Sunday, April 24, 2016 by Anon

Calculus!!
Consider the differential equation given by dy/dx = xy/2. A. Let y=f(x) be the particular solution to the given differential equation with the initial condition. Based on the slope field, how does the value of f(0.2) compare to f(0)? Justify your answer. B. Find the particular...
Saturday, April 23, 2016 by Anonymous

AP Calculus
Suppose that f has a continuous second derivative for all x, and that f(0)=1, f'(0)=2, and f''(0)=0. A. Does f have an inflection point at x=0? Explain your answer. B. Let g'(x) = (3x^2 + 2)f(x) + (x^3 + 2x + 5)f'(x). The point (0,5) is on the graph of g. ...
Saturday, April 23, 2016 by Anonymous

Calculus
Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small tank is initially full of water, and the ...
Saturday, April 23, 2016 by Anonymous

Calculus
Let M be the region under the graph of f(x) = 3/e^x from x=0 to x=5. A. Find the area of M. B. Find the value of c so that the line x=c divides the region M into two pieces with equal area. C. M is the base of a solid whose cross sections are semicircles whose diameter lies in...
Saturday, April 23, 2016 by Anonymous

Calculus
A race car is running practice laps in preparation for an upcoming race. To judge how the car is performing, the crew takes measurements of the car's speed S(t) (in miles per hour, or mph) every minute. The measurements are given in the table below. t (min) --- S(t) (mph 0...
Saturday, April 23, 2016 by Anonymous

AP Calculus
Consider a curve given implicitly by the equation (1+x)y^3 + (x^4)y - 85 = 0. A. Calculate dy/dx at a general point (x,y). B. Write the equation of the tangent line to the curve at the point (3,1). C. At (3,1), y(x) is defined implicitly as a function of x. Let g(x) be the ...
Saturday, April 23, 2016 by Anonymous

Calculus
If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately: A. 2.5 B. -2.5 C. -2 D. 2 E. 1.25
Saturday, April 23, 2016 by Anonymous

Calculus
The rate of decay is proportional to the mass for radioactive material. For a certain radioactive isotope, this rate of decay is given by the differential equation dm/dt = -.022m, where m is the mass of the isotope in mg and t is the time in years. A. If m(0)=20, write a ...
Saturday, April 23, 2016 by Anonymous

Calculus
The equation dy/dx = -6x^2/y gives the slope at any point on the graph of f(x). The range of f(x) is [0, infinity] and f(1) = 2. A. Find the equation of the tangent line to f(x) at the point (1,2). B. Write the function f(x). C. Determine the domain of the function f(x).
Saturday, April 23, 2016 by Anonymous

Calculus
Compute the curvature. r(t)=(t^2,2t^3/3) t >0 The answer is 1/2t(1+t^2)^3/2 I have tried multiple times but i cannot arrive to this answer.
Saturday, April 23, 2016 by Lyndsay

Calculus Help
Evaluate lim x-->25 5 - square root x / x - 25 I don't get how the answer is -1/10
Friday, April 22, 2016 by Anonymous

Calculus I
The area enclosed by the curve y^2 = x(2 − x) is given by what definite integral? Should I begin by square rooting both sides? Not really sure.
Friday, April 22, 2016 by Jer

Calculus I
Which of the following represents the volume of the solid formed by revolving the region bounded by the graphs of y =x^3, y = 1, and x = 2, about the line x = 2?
Friday, April 22, 2016 by Jer

Calculus I
The base of a solid is the circle x^2 + y^2 = 9. Cross sections of the solid perpendicular to the x-axis are squares. What is the volume, in cubic units, of the solid?
Friday, April 22, 2016 by Jer

Calculus I
Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the x-axis.
Friday, April 22, 2016 by Jer

Calculus
What did I do wrong? An object is formed so that its base is the quarter circle y = sqrt(64 − x^2) in the first quadrant, and its cross sections along the x-axis are squares. What is the volume of the object? (Assume the axes are measured in centimeters.) I have already ...
Thursday, April 21, 2016 by Ana

Math (Calculus)
The function f(x)=-2x^3+10.2x^2+202.275x+0.87 is increasing on the open interval (?,?). It is decreasing on the open interval (-oo,?) and the open interval (?,+oo) The function has a local maximum at ? I used derivative -6x^2+20.4x+202.275 and find the root but it doesn't ...
Thursday, April 21, 2016 by Anonymous

Calculus
A closed box with square base is to be built. the bottom and the top of the box are to be made of a material costing $2/ft^2, and all four sides are to be made of a material costing $1/ft^2. what are the dimensions of the box of the greatest value that can be constructed for $12?
Wednesday, April 20, 2016 by yaniv

Calculus
A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof?
Wednesday, April 20, 2016 by Anonymous

Calculus (easy)
What is the polar form of (-2-2i)?
Wednesday, April 20, 2016 by Desperate Student

Calculus
Let 𝑆 be the region (in the first quadrant) bounded by a circle 𝑥^2 + 𝑦^2 = 2, 𝑦^2 = 𝑥 and the 𝑥-axis (ii) Find the volume of the solid generated by rotating the region 𝑆 about the 𝑦-axis (c) Find the surface area...
Wednesday, April 20, 2016 by Desperate Student

Calculus
Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) limit n approaches infinity of an = e^(−6/sqrt(n))
Tuesday, April 19, 2016 by Misty

Calculus
Equation: Suppose that the demand of a certain item is x = -0.7 p + 20. Evaluate the elasticity at E = 8. I'm not sure what steps to take to solve this. I know that elasticity is equal to the absolute value of [(p/q) x (dp/dq)]
Tuesday, April 19, 2016 by James

Calculus
The Riemann sum s for f(x)=4x^2, 0<=x<=1, taking the sample points to be the right endpoints is given by s=4n^2+6n+2/3n^2. True or False?
Tuesday, April 19, 2016 by Alice

Calculus (Urgent, please)
Find the area of the region enclosed by the intersection of the circle x^2+y^2=4 and the parabola y=x^2. Show work
Tuesday, April 19, 2016 by Alice

calculus.can you help me on these as well@sir collins
integrate sin^7xdx
Tuesday, April 19, 2016 by newton

calculus very hard help
integrate:cos^10xdx even with the previous hint a tutor here gave me i still don,t know it
Tuesday, April 19, 2016 by newton

advanced calculus
Many carnivals have a version of the double Ferris wheel. A large central arm rotates clockwise. At each end of the central arm is a Ferris wheel that rotates clockwise around the arm. Assume that the central arm has length 200 feet and rotates about its center. Also assume ...
Tuesday, April 19, 2016 by please help me

Calculus
Let 𝑅 be the region bounded by the four straight lines 𝑦=𝑥, 𝑥+𝑦=4, 𝑦=𝑥−2 and 𝑥+ 𝑦 = 2. Find the surface area of the surface obtained by rotating the region 𝑅 about the 𝑥-axis for 1 ...
Tuesday, April 19, 2016 by Desperate Student

Calculus I
For what values of a and b is the line -4x+y=b tangent to the curve y=ax^3 when x=4? Can anyone give me the hint?
Tuesday, April 19, 2016 by Anonymous

Calculus I
if f(x)=24, find f'(11)? How can i find it?
Tuesday, April 19, 2016 by Anonymous

Calculus
Find the arc length of the curve 𝑥(𝑡)=cos𝑡+ү​05;sin𝑡, 0≤𝑡≤𝜋/2 𝑦(𝑡) = sin 𝑡 − 𝑡 cos 𝑡 ^2
Monday, April 18, 2016 by Desperate Student

Calculus
Compute (f^-1) (2) if f(x) = 7x + 3cos(x) + 2sin(x).... We tried solving it in the form (f^-1)(a) = (1/f'(f^-1(a))... or is this a u-sub problem? We are trying to figure out whose way is right with one getting the answer as 1/2 and the other 1/10... we are getting mixed up...
Monday, April 18, 2016 by Robin

calculus
Find f'x given f(x)= 1/(1+(1/(1+(1/x))))
Monday, April 18, 2016 by Jay

math calculus
Find the intervals on which the function f(x)=x²/³(10-x) is increasing and decreasing. Sketch the graph of y=f(x)and identify any local maxima and minima. Any global extrema should also be identified.
Monday, April 18, 2016 by Jay

Pre calculus
1. Write in terms of cos and sin function. cotx*secx Show work.
Monday, April 18, 2016 by Bimo

Pre calculus
A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by 2 cables.The distance...
Monday, April 18, 2016 by Ram

calculus
Between y = 2x2 + 9x − 4 and y = −x2 + 6x + 2 for x in [−2, 2]
Monday, April 18, 2016 by Alex

Calculus
Find the volume of the solid generated by rotating the region above 𝑦 = 12 and below 𝑦 = sin 𝑥 for 0≤𝑥≤𝜋 about the 𝑦-axis for 1 complete revolution.
Monday, April 18, 2016 by Desperate Student

calculus help
integrate cos^10xdx.. .plz show working i really wanna learn these thanks anyway
Sunday, April 17, 2016 by newton

CALCULUS
Sketch the graph of f(x)=1/(1+x^2)showing y-intercept, intervals where the graph increase / decrease, intervals where the graph is concave up/ down , inflexion point and stationary point
Sunday, April 17, 2016 by BAGINILE

Calculus
Find the volume of the solid generated by rotating the region bounded by 𝑦 = 𝑒2𝑥, 𝑥-axis, 𝑦-axis and 𝑥 = ln3 about (i) the 𝑥-axis for 1 complete revolution. (ii) the 𝑦-axis for 1 complete revolution. (iii) &#...
Sunday, April 17, 2016 by Desperate Student

Calculus (Im I Doing This Right???? Im Unsure)
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2−6x at x = 3 f(x)=2x^2-6x f(x+h)= 2(x+h)^2-6(x+h) =2x^2+4xh+2h^2-6x-6h lim h-->0 f(x+h)-f(x)/h =2x^2+4xh+2h^2-6x-6h - (2x^2-6x) =4xh+2h^...
Saturday, April 16, 2016 by Marc

Calculus (Im I Doing This Right???? Im Unsure)
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2−6x at x = 3 f(x)=2x^2-6x f(x+h)= 2(x+h)^2-6(x+h) =2x^2+4xh+2h^2-6x-6h lim h-->0 f(x+h)-f(x)/h =2x^2+4xh+2h^2-6x-6h - (2x^2-6x) =4xh+2h^...
Friday, April 15, 2016 by Marc

Calculus
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2− 6x at x = 3
Thursday, April 14, 2016 by Marc

Maths- Calculus
The region R bounded by y=e^-x and y=0 and lying to the right x=0 is rotated about the y-axis
Thursday, April 14, 2016 by Joan

Calculus
Find the volume of the solid generated by rotating the region 0<y<5-x^2 about the x-axis
Thursday, April 14, 2016 by Mary

calculus
A 5.5 foot tall woman walks at 6ft/s torward a street light that is 16.5 ft above the ground. what is the rate of change of the length of her shadow when she is 14ft from the street light? At what rate is the tip of her shadow moving? How do I get the equation for this and how...
Thursday, April 14, 2016 by Anon

Calculus 1
Find the formula for a function of the form y=bxe^(-ax) with a local maximum at (4,12)...
Wednesday, April 13, 2016 by Maria

Calculus I
Find numbers a and b such that: lim (sqrt(ax+b)-9)/x =1 x->0
Wednesday, April 13, 2016 by Hai

calculus 1
(Thank you for any help because I am not good at setting up word problems) What are the dimensions that will minimize the amount of material needed to manufacture a standard oil drum that is in the shape of a cylinder, with closed top and bottom. The drum must have a volume of...
Wednesday, April 13, 2016 by chase

calculus 1
Mr. Smith would like to enclose a rectangular field that has an area of 1000 square feet. What is the minimum amount of fencing he will need if he only needs to use it on 3 sides since he can use the side of the barn for the fourth side.
Wednesday, April 13, 2016 by chase

Pre calculus
A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by 2 cables.The distance...
Wednesday, April 13, 2016 by Bimo

Calculus
f(x) = 3cos(x)−cos^3(x) for 0 < x < 2π I need help finding where it increases and decreases and where it concaves up and down. The inflection points I have found are pi/2 and 3pi/2.
Wednesday, April 13, 2016 by Anonymous

Calculus
A ladder 13 ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 1 ft. per second,how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 5ft from the wall?
Wednesday, April 13, 2016 by Anonymous

Please HELP! Calculus (Implicit functions)
Find the inverse of the function y = (square root x) + 4x , then solve for its 1st order derivative.
Tuesday, April 12, 2016 by Wawen

Calculus Answer Confirming Not Sure Im Right Help?
Evaluate the lim a. lim x--> 64 (cube root x-4/x-64) (∛x-4)/(x-64) -> 0/0 so then let cube root x = u u-4/u^3-64 u-4/u^3-64 = u-4/u-4(u^2+4u+16) the u-4 cancel each other out leaving lim x->64 = 1/u^2+4u+16 1/64^2+4(64)=16 oddly i find the number to large am i ...
Tuesday, April 12, 2016 by Marc

Calculus Help Stuck Part 2?
Evaluate the lim a. lim x--> 64 (cube root x-4/x-64)
Tuesday, April 12, 2016 by Marc

Pre calculus
A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by 2 cables.The distance...
Tuesday, April 12, 2016 by Bimo

Pre calculus
In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by 2 cables.The distance from the base of the antenna to the down point DOWN hill is 95 feet. Ignore the amount of cable needed to ...
Tuesday, April 12, 2016 by Bimo

Calculus I
The volume of a sphere is changing at a rate of 8pi cm/sec. What is the rate of change of its surface area when the radius is 1? (the volume of a sphere is given by V=4/3pir^3 and its surface area, by A=4pi r ^2).
Tuesday, April 12, 2016 by Brianna

Calculus Help Stuck Part 2?
b.Determine the lim x-->4 (x^2+x-20/8-2x) What Im stuck on is this f(4)= 4^2+4-20 / 8-2(4) f(4)= 0/0 x^2+x-20/8-2x = (x-4)(x+5)/-2(x-4) What do I do next I'm so confused ik i would eliminate the x-4 from numerator and denominator but what would i do with the -2 that ...
Monday, April 11, 2016 by Marc

Calculus
Determine the following limits if it exists. a. lim x-->5 (4x/x-5)
Monday, April 11, 2016 by Marc

calculus
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)
Monday, April 11, 2016 by Sam

Calculus
f(x) = (x-4)/ (x^2) I need to use interval notation to indicate where f(x) is concave up or down. Concave up is (12, inf) but I can't figure out concave down. Help!
Monday, April 11, 2016 by Anonymous

Calculus
Find a cubic function f(x)=ax^3+cx^2+d that has a local maximum value of 9 at -4 and a local minimum value of 6 at 0. Find a, c, and d. I know that d = 6 but I am worked for hours trying to find a and c. Please help!!
Monday, April 11, 2016 by Anonymous

calculus 2
Use Euler's method with a step size of 0.2 to estimate y(1), where y(x) is the solution of the initial value problem y' = 6x+y^2, y(0)=0. Round your final answer to 4 places, but keep more places on the intermediate steps for accuracy.
Monday, April 11, 2016 by TayB

Calculus derivatives
Consider the equation x^2 + xy + y^2 = 1 Find all points where the tangent line is parallel to the line y = −x. Thank you for helping
Sunday, April 10, 2016 by Jumpman

Calculus
limit of (x*(y-1)^2*cosx)/(x^2+2(y-1)^2) as (x,y)->(0,1). By evaluating along different paths this limit often goes to 0. This does not necessarily imply that it exists. So how would i prove that it exists. Can someone please show me how i can prove using delta - epsilon ...
Sunday, April 10, 2016 by Jim

Please Help ! Calculus
Find two numbers whose sum is 42 and whose product will be at the largest possible.
Sunday, April 10, 2016 by Wawen

Calculus
Determine the following limits if it exists. a. lim x-->5 (4x/x-5)
Sunday, April 10, 2016 by Marc

Calculus
Find the volume of the solid bounded below by the parabloid z = x^2 + y^2 and above by the plane 2x + z = 3
Sunday, April 10, 2016 by Macy

Calculus
An energy drink container in the shape of a right circular cylinder must have a volume of 12 fluid ounces (1 fluid ounce is approximately 1.80469 cubic inches). The cost per square inch of constructing the top and bottom is twice the cost of constructing the lateral side. Find...
Sunday, April 10, 2016 by Katie

Calculus (30min before deadline help pls )
A street light is at the top of a 16 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 3 ft/sec. At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 36 ft away from the ...
Saturday, April 9, 2016 by Amelia

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Homework Help: Math