SOLUTION: Find the inverse of the one to one function. F(x)=4/5x-1 Thank you.

Algebra ->  Inverses -> SOLUTION: Find the inverse of the one to one function. F(x)=4/5x-1 Thank you.      Log On


   

Question 154147: Find the inverse of the one to one function.
F(x)=4/5x-1
Thank you.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the inverse of the one to one function.
F(x)=4/5x-1
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y = (4/5)x -1
Interchange x and y to get:
x = (4/5)y -1
solve for y to get the inverse:
5x = 4y -5
4y = 5x + 5
y = (5/4)x + 5
That is the inverse.
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Cheers,
Stan H.