278 Answered Questions for the topic Function

Function Average Value

03/03/15

Find the average value of the function

find the average value of the function f(t)=-5te-t^2 on the interval [0,5]

03/01/15

Find the average value of the function

Find the average value of the function f(t)=-5te(-t^2) on the interval [0,5].favg=?

02/27/15

Find the average value of the function

Find the average value of the function h ( r )= 15/(1+r)2 on the interval [1,6]. have=?  

02/27/15

Find the average value of the function

Find the average value of the function f(t)=-5te(-t^2) on the interval [0,5]. favg=?
Function Graph

02/26/15

Which of the following is the graph the function f(x) = 3x3 - 9x2 - 2x + 3 ?

Which of the following is the graph the function f(x) = 3x3 - 9x2 - 2x + 3 ? A. a curve comes on screen near negative 4 comma negative 15 turns near negative 2 comma 18, turns again near 0 comma 3... more
Function

02/25/15

find all points where y'=0

For each function below, find all points where y'= 0.(a) y =√(x2 − x)(b) y = xe-x

02/23/15

Whats the value of 'a' and 'k'?

How do you find a function's 'a' and 'k'? Like what are the steps?  Lets say you have a point from the parent function (2,2) and a point on the same x-value on the other function which is (3,2),... more

02/23/15

Which of the following is the graph the function f(x) = 3x3 - 9x2 - 2x + 3 ?

Choose one answer.    A. a curve comes on screen near negative 4 comma negative 15 turns near negative 2 comma 18, turns again near 0 comma 3 before exiting off screen near 1 comma 20.   B. a... more
Function

02/21/15

A driver leaves a 3 foot high diving board with an initial upward velocity of 11 feet per second. Use the projectile motion model h(t)=-16t^2+Vt+ho

Write the function that represents the drivers height as a function of time   
Function Algebra Functions

02/11/15

What is the value of x?

What is the value of x when f(x^2)=g(4x) if f(x)=4x-1 and g(x)=7+x?  
Function

02/11/15

x=y^4-1 not sure how to approach this problem

"Given that x=y4-1, solve this for y and state whether it is a function or not."
Function Algebra Polynomial

02/09/15

How do you write a 4th degree polynomial function?

The function has the given zeros of 2, -2 and 1-3i.
Function Calculus 1

02/09/15

Find values of a and b so f in continuous at x=1 and has a derivative at x=1

f(x)= {2x2+ax-1   if x≤1         {bx3+x2+2   if x>1  

02/07/15

Determine the equation for the function

A ball is thrown upward from the roof of a 25m building. The ball reaches a height of 45m above the ground after 2 seconds and hits the ground 5 seconds after being thrown.   Determine an... more

02/06/15

Write the function to describe coffee dripping into a 10-cup carafe at a rate of 1ml/s. State the domain and range of the function (1 cup=250ml)

Write the function to describe coffee dripping into a 10-cup carafe at a rate of 1ml/s. State the domain and range of the function (1 cup=250ml)
Function Calculus

01/27/15

Calculate the Reimann sum

consider the function f(x)=-(x2/3)+7 Calculate Rn which is the Reimann sum for f(x)=-(x2/3)+7 on the interval [0,4] and write the answer as a function of n without any summation sign what is... more
Function Equation Cosine

01/26/15

Sine fuction

If the amplitude, is sqrt(21) and the period is (10/3)pi, what is the sine function equation f(x)=   ?
Function Derivative Integral

01/26/15

Find the derivative of the following integral

find the derivative of    g(x)= ∫(u+4/u-5)du with upper bound 3x and lower bound 9x g'(x)=?

01/23/15

Using Reimann sum definiton, find Rn

Consider the function f(x)= (-x2/3)+7 Calculate Rn for f(x)= (-x2/3)+7 on the interval [0,4] and write the answer as a function of n without any summation signs.  Also calculate the limit Rn as n... more

Volume of an open topped box

A square of side x inches is cut out of each corner of a 10 in. by 13 in. piece of cardboard and the sides are folded up to form an open-topped box. A) Write the volume (V) of the box as a function... more
Function

01/14/15

let f(x) = v(x-2) and g(x) = v(10-x). Find the domain of f + g

can somebody help me to solve this  let f(x) = √(x-2) and g(x) = √(10-x). Find the domain of f + g
Function Word Problem

01/13/15

Word problem about Cost and Distance

The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $402 to drive 380 mi and in June it cost her $602 to drive 880 mi.(a) Express the monthly... more
Function

01/13/15

find all y and x intercepts of the graph of the function

Find all y and x intercepts of the graph of the function. F(x)= -x^3-3X^2+54X
Function

12/14/14

you are saving for a new smartphone and can save $25 per week. you have $50 already saved

i need help on this math problem :)
Function Math Graphing

12/09/14

Graphing function

Graph the function f(x)= 3x2 - 6x - 24. Label its y-intercept, x- intercepts, and vertex How do I do this? Please help 

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