SOLUTION: I need help with this: find the inverse of the function f(x)=(5x+4)/7
Algebra.Com
Question 87826: I need help with this: find the inverse of the function f(x)=(5x+4)/7
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
find the inverse of the function f(x)=(5x+4)/7
y = f(x)
:
y =
:
Swap x and y and solve for y:
= x
:
Mult both sides by 7 and you have:
5y + 4 = 7x
:
Subtract 4 from both sides:
5y = 7x - 4
:
Divide both sides by 5:
y =
:
(x) =
RELATED QUESTIONS
I need help with this homeowrk problem. It states: find the inverse of the function... (answered by Edwin McCravy)
Find the inverse of the function.
{{{f(x) = (-5x+4)/(-8x-7)}}}
I know the answer is (answered by jim_thompson5910)
I am having difficulty with this equation.
Find the inverse of the function,
f(x) =... (answered by jim_thompson5910,Earlsdon)
I need help with inverse problems. What is the inverse of the function... (answered by Earlsdon,ankor@dixie-net.com)
PLEASE I NEED HELP
FIND THE INVERSE OF THE FUNCTION... (answered by oscargut)
f(x)=-9x/4 +7 Need the algebraically inverse... (answered by likaaka)
Given the function f(x)=5x+4 , find its... (answered by ikleyn,MathTherapy)
I need help with finding the inverse of:... (answered by tutorcecilia)
f(x) = -3x + 7
How do I find the inverse of this function?
thank... (answered by jim_thompson5910)