1,744 Answered Questions for the topic Functions

02/03/14

Can you think of one real-world example of when the concept of functions might be useful? Do you think you will ever use functions in your life to solve probl
Can you think of one real-world example of when the concept of functions might be useful? Do you think you will ever use functions in your life to solve problems? If yes, explain how and why; if... more
Follows • 2
Expert Answers •1

01/24/14

function/ graphing
Discuss/Explain how the graph F(x) = -2f(x+1) -3 can be obtained from the graph f(x). If (0,5), (6,7), and (-9,-4) are on the graph of f. where do they end up on the graph of F? 
Follows • 2
Expert Answers •1
Functions College Algebra

01/19/14

2x^3+x+8=0
Enter answers as a comma-separated list. Round to three decimal places.
Follows • 2
Expert Answers •1
Functions

01/09/14

x^2=y^2 functions
determine whether each equation defines y as a function of x
Follows • 3
Expert Answers •2

12/09/13

Exponential Functions
Identify the variables, identify the constants, write the function, solve the equation and write a complete answer.   Suppose the acreage of forest is decreasing by 6.5% per year because of... more
Follows • 3
Expert Answers •2

12/07/13

Given functions f and g, perform the indicated operations:
f(x) = 8x2 -7x g(x) = 8x - 4   (fog)(x)   I would really appreciate the steps and final outcome of this problem. Thank you!
Follows • 5
Expert Answers •5

12/07/13

Evaluate and simplify the following function:
f(x) = 3x2 - 2x -3 f(x-1) =    I would really appreciate the steps and final outcome of this problem. Thank you! 
Follows • 3
Expert Answers •2
Functions

12/05/13

if f(x) is a cubic polynomial, find a rule for f (x)
may be left in factored form
Follows • 1
Expert Answers •1

12/02/13

determine, find, and graph...............
Given f(x)=5x+8. (a) Determine whether f(x) is one-to-one. (b) Find a formula for its inverse. (c) Graph f(x) and f^(-1) (x) on the same axis
Follows • 2
Expert Answers •1
Functions

12/02/13

For the function solve f(x)
For the function f(x)= 4x + 40/x, solve f(x)= 28
Follows • 2
Expert Answers •1
Functions

12/01/13

Need help with functions
h(x)=1/1+x=0.1, so x=9, whats h^-1(x) and how to find it?
Follows • 2
Expert Answers •1
Functions

11/27/13

approximate each real zero
Given f(x)=6x^4-7x^3-23x^2+14x+3, approximate each real zero as a decimal to the nearest tenth.
Follows • 3
Expert Answers •3

11/26/13

Rational Expression and Equations ,Functions
Simplify this rational expression    x^2+3x-7    x^2+5x-9       x^2-6x+14 ----------- - ------------- + --------------- x^2-2x-8     x^2-2x-8         x^2-2x-8    
Follows • 2
Expert Answers •1
Functions

11/18/13

If f(x) = 2x, which of these 5 functions yields the greatest value for f(g(x)), for all x > 1
Listed below are 5 functions, each denoted g(x) and each involving a real number constantc > 1.If f(x) = 2x, which of these 5 functions yields the greatest value for f(g(x)), for allx >... more
Follows • 2
Expert Answers •1
Functions

11/18/13

What is the value of g(f (3))
For the 2 functions, f (x) and g(x), tables of values are shown below. What is the valueof g(f (3)) ?x  ¦f(x)                 x ¦g(x)–5 ¦  7                –2 ¦3 –2 ¦ –5                 1 ¦–1 1... more
Follows • 2
Expert Answers •1
Functions X Intercept

11/13/13

What's the x intercept of y=3x-6?
Its for a math thing and I just dont get it can someone plz explain  
Follows • 3
Expert Answers •2

11/10/13

what is the function whose graph is the graph of y=|x|, but is shifted down 5 units.
What is the function whose graph is the graph of  y=|x|, but is shifted down 5 units.
Follows • 2
Expert Answers •1

11/09/13

Horizontal stretches/compression?
For horizontal compressions, I know you do it if x is greater than 1, but do you divide or multiply the x value by the c value? Why would it be a vertical compression of c?   So if you had... more
Follows • 2
Expert Answers •1
Functions

11/09/13

Find the area under the curve given by f(x) = 3x2+ 5x
Find the area under the curve given by f(x) = 3x2+ 5x                                               8marks
Follows • 1
Expert Answers •2
Functions

10/21/13

a rectangle has a length of 6x-5 feet and a width of 2x+9 feet. Find the perimeter
a rectangle has a length of 6x-5 feet and a width of 2x-9 feet.  Find the perimeter of the retangle.    
Follows • 3
Expert Answers •2

10/16/13

Define the following functions.
1. f(x)= |x|; g(x)= |x-3| a.) f+gb.) f-gc.) f⋅gd.) f/ge.) g/f   2. f(x)=1/(x+1); g(x)=x/(x-2) a.) f+gb.) f-gc.) f⋅gd.) f/ge.) g/f   3. f(x)=x^2; g(x)=1/√x a.) f+gb.) f-gc.) f⋅g d.) f/ge.) g/f
Follows • 2
Expert Answers •1

10/16/13

Solve each item completely.
I. Solve each item completely.   1. Shipping charges are often based on a formula that offers a lower charge per pound as the size of the shipment is increased. Suppose shipping charges are as... more
Follows • 2
Expert Answers •1

10/14/13

p(x)+p(5), if p(r)=4r^2+5
p(x)+p(5), if p(r)=4r^2+5 I do not understand how to do this question I have read over the chapter and I still don't understand how to do this function.
Follows • 2
Expert Answers •1
Functions

10/01/13

Find f(h(x))
f(x)=x^2+7 h(x)=12/x
Follows • 2
Expert Answers •1
Functions

09/24/13

one point which must be on the graph of each of the following functions.
the point (7,4) is on the graph of y=g(x) give the coordinates of one point which must be on the graph of each of the following functions.   1/4 g(x)  g(1/4x) -g(4x) -4 g(x)
Follows • 2
Expert Answers •1

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.