1,752 Answered Questions for the topic Functions

11/10/14

If the solutions to a quadratic function are x = 3 and x = -5, write the factored form of the function.
Write in factored form.
Follows • 2
Expert Answers •1
Functions

11/06/14

f(x)=-0.004091x^4+1.275179x^3-142.589291x^2+5069.1067x+197,909.1675
The greatest combined length of U.S. owned operation railroad track existed in 1916 when industrial activity increased during World War I. The total lenght has decreased ever since. The data over... more
Follows • 2
Expert Answers •1
Functions Math Math Help Function

11/05/14

How do you do this function problem? I am so lost.
A company determine that its total profit is given by the function P(x). The company makes a profit for those nonnegative values of x for which p(x)>0. The company loses money for those... more
Follows • 2
Expert Answers •1
Functions

11/05/14

Perfom the indicated operation
Find 2[f(9)] - 1/3[g(-5)]  f(x)= -x2 + 10x-16 g(x)= |11-2x2|
Follows • 2
Expert Answers •1
Functions Math Algebra 2 Conics

10/29/14

what are the y-coordinates of the solutions of equations 5x-y=3 and 2x^2+y=0?
a math question from my math homework
Follows • 2
Expert Answers •1
Functions

10/29/14

is there a function to figure out all functions
I am trying to figure out whether it is possible to use one function to figure out all functions. 
Follows • 1
Expert Answers •1

10/29/14

IB Maths Inverse Functions Explanation
In an example question in my textbook that asks for the inverse of f(x) = 4 - 3x the answer goes as follows:   y=4-3x x=4-3y x-4=-3y x-f/-3 = y y=4-x/3   I do not understand how x-f/-3 = y... more
Follows • 1
Expert Answers •1
Functions Graphing Solutions

10/27/14

Which function works with the origin as a solution? y=4n , y=2n+2 , y=n+2 , y=3n+1
How do we find the answer to this problem?    Which function works with the origin as a solution?  y=4n , y=2n+2 , y=n+2 , y=3n+1
Follows • 2
Expert Answers •1
Functions

10/27/14

Evaluate the function.
use g(x)= 2x2+7x+1 to find  12-2[g(3)]
Follows • 1
Expert Answers •1
Functions

10/27/14

Evaluate the function.
Use f(x)=3x-5 and g(x)= 2x2+7x+1 to find    f(8)+g(-1) 
Follows • 2
Expert Answers •1
Functions

10/27/14

Evaluate the function.
Use g(x)= 2x2+7x+1 to find g(1)-9
Follows • 1
Expert Answers •1
Functions

10/27/14

Use f(x)=3x-5 to evaluate the function
f(x)=3x-5 find f(-6)+17
Follows • 3
Expert Answers •1
Functions

10/23/14

Perform the indicated operation
g(x)=-4x-2 f(x)= 3x-3 find g(-4x)- f(-4x) 
Follows • 2
Expert Answers •1

10/21/14

Is the function injective or surjective?
Determine whether the function f: NxN --> Z with f(x,y) = (1-x^2)[y/3] is either:   a) injective b) surjective       Injective function A function f is said to be one-to-one, or... more
Follows • 2
Expert Answers •1

10/21/14

Show that the function f: N * N - > N * N, f(x,y) = (x+y, 2x-3y) is one-to-one.
Show that the function f: N x N - > N x N, f(x,y) = (x+y, 2x-3y) is one-to-one.(A function f is said to be one -to -one , or injective , if and only if f ( a) = f ( b ) implies that a = b for... more
Follows • 2
Expert Answers •1

10/18/14

For the function, find the intervals where the function is increasing, decreasing, or constant.
The function is: R(x)= (x+2)2 if x<-1 -x if x≥-1 Thanks in advanced.
Follows • 1
Expert Answers •1

10/18/14

For the function below, determine a. f(x-1) b. f(x+a)-f(x) and c. f(x^2)
The function is 3√x +6(x=4) Thanks in advanced.
Follows • 2
Expert Answers •1
Functions

10/15/14

Perform the indicated operation.
g(n) = 4n-4 f(n) = 2n+1  find (3g+5f) (-3y) 
Follows • 2
Expert Answers •1
Functions

10/15/14

Perform the indicated operation.
f(t) = t-5 g(t) = 3t find 2f(1) - g (1) 
Follows • 1
Expert Answers •1
Functions

10/15/14

Perform the indicated operation.
g(t) = 4t-4  h(t) = 2t+1  find (g-h)(-9)
Follows • 2
Expert Answers •1
Functions

10/15/14

Perform the indicated operation.
g(x) = 3x-2  f(x)= 4x-1  find g(-7) - f(-7)
Follows • 2
Expert Answers •1
Functions

10/15/14

Auto insurance costs increase with each accident and traffic violation
What are the independent and dependent variables in the statement stated above out of number of accidents/violations and the cost of the insurance  
Follows • 2
Expert Answers •1

10/14/14

I need to build a rectangular enclosure for my pet pig. I only have 36 yards of fencing to use to build this rectangular pen. Perimeter Question!!
1) Using the fact that P=2l +2w, express the length L in terms of W. 2) Now express the Area of the rectangle as a function of the width of the rectangle. 3) If I use only 4 yards of fencing for... more
Follows • 2
Expert Answers •1

10/08/14

newspaper delivery. Samantha can deliver papers three times as fast as her sister, Elizabeth if they work together, it takes them 1 hour. how long would it take
How long would it take each to deliver the papers alone?
Follows • 1
Expert Answers •1
Functions Domain Range Problems

10/06/14

What values, if any, are excluded from the domain of the function?
1. f (x) = 3x + 2 3. G (x) = x² + 1 7. H (x) = x² - x + 1 9. f (x) = (2x - 5) / 3 13. F (x) = (x - 2) / 2   My math book, in the answer sheet says that "none" is the answer for all these... more
Follows • 3
Expert Answers •2

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.