Friday

September 30, 2016
Number of results: 35

**pre-calculous**

How to get the foci and vertices of an ellipse with the equation of (x+3)^2/24 + (y-5)^2/49=1?

*September 27, 2016 by bawan*

**Math calculous**

x 1 2 3 4 h(x) 7 20 43 76 x = 1 h(x) = 7 x = 2 h(x) = 20 x = 3 h(x) = 43 x = 4 h(x) = 76 Using the table or in this case information for the polynomial function of the degree 2 Find the formula for h(x) h(x) = ?

*December 4, 2014 by Taylor*

**Calculous**

Without using a calculator, find the sum of the series. Pretend in place of E is Greek Letter Sigma. 27 E(4 + 1/2n) = ? N=0

*December 12, 2014 by Leon*

**calculous**

Find the area of the region bounded by the parabola y = 4x^2, the tangent line to this parabola at (4, 64), and the x-axis.

*November 9, 2011 by Ryan *

**calculous**

Find the area of the region bounded by the parabola y = 4x^2, the tangent line to this parabola at (4, 64), and the x-axis.

*November 9, 2011 by Ryan *

**Pre-Calculous**

Convert Q = 17(0.887)^1.2t to the form Q = ae^kt Round all calculated values to three decimal places Q = ? My answer was 17e^-0.099t, but I do not think that it is correct

*October 3, 2014 by sarah*

**Calculous**

let f be the function defined by f(x)=12x^2/3 -4X a)find the intervals on which f is increasing I got the rest of the question but I'm still not getting the increasing/decreasing thing

*November 20, 2011 by Yoona*

**Math Calculous**

Find a possible formula for a polynomial f with the following properties. f has degree less-than-or-equal-to 2, f(0) = f(3) = 0 and f(5) = 30 f(x) = ? k(x+0)(x+0)(x-3) I know the zeroes for 3 of them are 0, 0, 3, how would i find out the rest?

*December 5, 2014 by Taylor*

**calculous (Series)**

-2.02 - 2.11 - 2.2 - ... -4 Find the sum of the series

*December 12, 2014 by Samantha*

**AP Calculous**

let f be the function defined by f(x)=3X^5 -5X^3 +2 a) on what interval is f increasing? b) on what interval is the graph of f concave upward? c)Write the equation of each horizontal line tangent to the graph of f

*November 20, 2011 by Yoona*

**Pre Calculous**

(a) sin x if x = (1/4)degree Round all answers to three decimal places I got 12.053, 0.210, 4.363.. None of those seem to be right. What am I doing wrong? am i just punching the numbers in my calculator incorrectly?

*October 31, 2014 by Lenard*

**CALCULOUS**

A bank account is growing by 4.3 % per year. Find the doubling time. Round your answer to the nearest integer. Can someone explain how to solve this step by step. I have been stuck on this for quite a while

*October 3, 2014 by James*

**Calculous**

A particle moves along the c-axis so that at time t its position is given by x(t)=t^2-6^t+9t+11 a)What is the velocity of the particle at t=0 b)During what time intervals is the particle moving to the left? c)What is the total distance traveled by the particle t=0 to t=2

*November 20, 2011 by Yoona*

**pre calculous**

solve each equation algebraically and check it by substituing into the orignall equation. 50e^0.035x=200 3LN(x-3)+4=5 Method of your choice by solving. logx^2=6 Logx^4=2 2x-2^-x/2=4 e^x+e^-x/2=4 500/1+25e^.3x=200

*June 12, 2011 by kelly*

**Calculous Finding K, using zeros**

Suppose f(x) has zeros at x = -3, x = 3, x = 5, and a y-intercept of 17. In addition, f(x) has the following long-run behavior: as x -> +-infinity, y -> +infinity Find the formula for the polynomial f(x) which has the minimum possible degree F(x) = k(x+3)^2(x-3)(x-5) I ...

*December 5, 2014 by Randy*

**Calculous**

Evaluate sin(theta) and cosine (theta) for the angle theta The graph gives you a point of (0.6,-0.8) on the x y coordinate plane with a radius of what appears to be 1 ( unit circle ) sin (theta) = cos (theta) =

*October 31, 2014 by Larry*

**calculous**

3.Given the function f defined by f(x)=2x^3-3x^2-12x+20 a.Find the zeros of f b.Write an equation of the line perpendicular to the graph of f at x = 0 c. Find the x and y coordinates of all points on the graph of f where the line tangent to the graph is parallel to the x axis.

*November 5, 2011 by Yoona*

**Calculous**

g(x) = x^4-8x^3-16x^2+128x the graph goes through the x through (-4,0) , (0,0) (4,0), (8,0) horizontal axis has a scale of 2,4,6,8,10 (each tick increases by 2) Y-axis value that is the highest is (-4,30) and (8,30) Assume g(x) = k(x-p)(x-q)(x-r)(x-s) p<q<r<s I need ...

*December 5, 2014 by Randy*

**calculous**

An airplane flies at an altitude of 2 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation θ is changing when the angle is θ = 30°, θ = 60°, and θ = 70°.

*September 24, 2013 by Anonymous*

**calculous**

An airplane flies at an altitude of 2 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation θ is changing when the angle is θ = 30°, θ = 60°, and θ = 70°.

*September 24, 2013 by Anonymous*

**Calculous**

Describe in words the long run behavior as x approaches infinity of the function y = 6x^6 + (4x^4/x^-9) -9x^7+3 I know y goes to positive infinity as x approaches infinity The graph resembles ? (is it 4x^5) I tried simplifying 4x^4/x^-9 and got 4/x^-5 is what the graph ...

*December 4, 2014 by Tyler*

**Math Calculous**

Given a = 13, b = 29, find the missing sides and angles in the right triangle, where a is the side across from angle A, b, across from B, and c across from the right angle Round your answers to three decimal places c = 31,780, A = ?, B = ? trying to find A and B

*October 31, 2014 by Leoroy*

**AP Calculous**

A particle moves on the x –axis so that its position at any time is given by x(t) = 2t3 + 1. a. Find the acceleration of the particle at t = 0. b. Find the velocity of the particle when its acceleration is 0. c. Find the total distance traveled by the particle from t = 0 to t...

*November 6, 2011 by Yoona*

**calculous**

A particle moves on the x –axis so that its position at any time is given by x(t) = 2t3 + 1. a. Find the acceleration of the particle at t = 0. b. Find the velocity of the particle when its acceleration is 0. c. Find the total distance traveled by the particle from t = 0 to t...

*November 7, 2011 by Yoona*

**Calculous**

let f be the function defined by |x-1|+2 for X<1 f(x)= ax^2-Bx, for X>or equal to 1. where a and b are constants a)if a=2 and b=3 is f continious for all x? justify your answer b)describe all the values of a and b for which f is a continious function c) For what values ...

*November 21, 2011 by Yoona*

**AP Calculous**

let f be the function defined by |x-1|+2 for X<1 f(x)= ax^2-Bx, for X>or equal to 1. where a and b are constants a)if a=2 and b=3 is f continious for all x? justify your answer b)describe all the values of a and b for which f is a continious function c) For what values ...

*November 21, 2011 by Yoona*

**calculous (check)**

If air resistance is neglected, a falling object travels 13 ft during the first second, 39 ft during the next, 65 ft during the next, and so on. These distances form the arithmetic sequence 13, 39, 65, ... .In this sequence, a(subscript)1 = 13 d equals 26. Find a formula for f...

*December 12, 2014 by Tyler*

**Math Calculous**

Q = 16.8*10^-0.22t Give the starting value a, the growth rate r, and the continuous growth rate k. Exact answer for a, Round the answer for r and k to two decimal places a = 16.8 r = 10 k = -22% Can someone check my answer? I do not think the values for r and K are correct. I ...

*October 3, 2014 by Tobi*

**Calculous (Finding Zeros!)**

y = (x^2+2x-5) (x^3+3x^2-40x) Find the zeros ( 5 total zeros ) x = x = x = x = x = So would it be easier for me to distribute first then factor the whole mess out to find the x-intercepts that are the zeroes?. Or. factor (x^2+2x-5) and (x^3+3x^2-40x) and find the zeroes?

*December 5, 2014 by Tyler*

**Calculous Pre**

A population grows from 11,000 to 15,000 in three years. Enter your answers to three decimal places. Assuming the growth is exponential, find the growth rate and continuous growth rate Growth rate ______ %? Continuous rate _________ %?

*October 3, 2014 by Serena*

**Calculous**

The total cost, in millions of dollars, of producing x thousand units of an item is C(x) = 4(x − 1)^2 + 4. The revenue (in millions of dollars) from selling x thousand units of the item is R(x) = 10x. What does this tell you about the price of each unit? Give your answer...

*December 4, 2014 by Tyler*

**Calculous**

the figure shows the graph of F', the derivative of a function f. the domain of the function f is the set of all X such that -3< or equal to x<or equal to 3 a)for what values of x in the domain does f have a relative max and amin? justify b) for what values of x is the ...

*November 21, 2011 by Yoona*

**Calculous**

A dunction is continious on the closed interval [-3,3] such that of f(-3)=4 and f(3)=1. The functions F' anf F'' have the properties shown below Ok there's supposed to be a table but you cant really see it -3<x<-1 F'(x) is positive F''(X) is positive X=-1 f'(x)and f''(x...

*November 21, 2011 by Yoona*

**pre calculous**

use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. show your work ln x^2/y^3 Assuming x,y AND z are positive use properties of logariths to write the expression as a single logarithm logx+log y 1/3logx 4 ...

*June 12, 2011 by kevin*

**Pre-Calculous (Trig)**

The Singapore Flyer, currently the world's largest Ferris wheel, completes one rotation every 37 minutes.1 Measuring 150 m in diameter, the Flyer is set atop a terminal building, with a total height of 165 m from the ground to the top of the wheel. When viewed from Marina ...

*October 17, 2014 by Randy*

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