1,744 Answered Questions for the topic Functions

Functions

02/26/15

Functions:

A football is placed on the ground to kick a field goal. The height of the ball is a function of the time in seconds. Does the path the football follows after being kicked represent a linear or... more
Functions Math Calculus Math Help

02/25/15

Asymptotes of functions .Help me please!

The equation of the oblique asymptote is y=kx+b. I have a function f(x)=(x^2+4)/sqr(x^2-4). I get  the b infinite. Am I right or not? I am stuck in this. And I dont know how to wirte the equation. 
Functions

02/25/15

The profit (p), in dollars, for a company is modeled by the function: p(x)= -750x^2+15,000x, where x is the number of items produced.

For which values of x will the comapny lose money?   a)  2 < x ≤ 10 b)  x < 2 c)  10 ≤ x < 20 d)  x > 20
Functions Algebra 2 Economics

02/24/15

Investment rate

how many years will it take for an initial investment of $40,000 to grow to $60,000? Assume a rate of interest of 19% compounded continuously.

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
Functions Ged

02/23/15

What is the function?

Took a pretest and this one stumped me. Any help would be greatful   http://i.gyazo.com/6703f24740c64115aae5d96dabaf09c6.png
Functions Graph Graphing Function

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
Functions

02/23/15

Let f(x) = x - 3 and g(x) = 2x + 4. What is f(g(x)) ?

Choose one answer. A. 2x + 7   B. 2x - 2   C. 2x + 1   D. 3x + 1

02/21/15

F(x)=-3x^2+3x+4 G(x)=-6x+4

Solve algebraically. What do these solutions tell you about the graphs of the two functions 
Functions

02/17/15

Let f(x) = -4x + 7 and g(x) = 10x - 6, find f(g(x)).

A. -40x + 70   B. -40x + 64   C. -40x + 24   D. -40x + 31

02/16/15

inverse of f(x)=2x^3-5

so ive got    y=2x^3-5 you switch the x and y: x=2y^3-5 move the five to the opposite side: x+5=2y^3 and divide by two: x+5/2=y^3   im not sure about the last step but if someone could... more
Functions Inverse Functions

02/14/15

Need help finding the inverse function?

Find the inverse of the function of:     f(x)= 2x3 - 6     And verify that they are inverses.
Functions Algebra Function

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?  

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)

Find the composition of functions.

fond the composition of functions, simplify answers.  Lets f(x)=1-x/2. Find f(f(x))

Word problem

The store is offering a 15% discount on all items. You have a coupon worth $2 off any item. Let X be the original cost of an item. Use a composition of functions to find a function c(x) that gives... more
Functions

02/05/15

write a function g representing the area of the square as a function of the radius of the circle r.

A piece of rope that is 20feet long is cut into two pieces. One piece is used to form a circle and the other used to form a square. Write a function frepresenting the area of the circle as a... more
Functions

02/05/15

Express this function as an equation, table, and graph.

If a person drives 400 miles at an average of 50 miles per hour, then their distance d from the destination (in miles) is a function of the number of hours h driven.Express this function as an... more
Functions

02/05/15

dan, lincoln, and miguel have a total of $46.80. Lincoln has twice as much as dan, and miguel has three times as much as dan. how much does each boy have?

Dan's amount is unknown Lincoln= twice as much as dan Miguel= 3 times as much as Dan Total= 46.80
Functions

02/01/15

find g(w+5)=? when g(x)=-4x

Find g(w) and g(w + 5).when g(x) = −4x g(w + 5) =?
Functions

01/29/15

find f(5/3) f(x)=6x-5

find f(5/3) f(x)=6x-5

01/28/15

Which of the following best describes the roots of the polynomial function below?

Which of the following best describes the roots of the polynomial function below?   A. One real root   B. Two real roots   C. Two complex... more
Functions

01/20/15

let h(x)=4x^2+4x-3. find h(5a)

let h(x)=4x^2 +4x-3 find h(5a) find h(a)

Why are all polynomials in one variable functions?

This is an explanation question needed to be answered. Please include the meanings of polynomial and function in one variable. Thank you!

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.