SOLUTION: find the inverse function of f(x)=5x-9 and verify that they are inverses of each other

Question 28857: find the inverse function of f(x)=5x-9 and verify that they are inverses of each other
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
f(x) = 5x-9

--> y = 5x-9
y+9 = 5x
-->

so, the inverse function is

Verify...
pick any value of x and put it into f(x) to get a value of f(x).

f(1) = 5(1)-9
f(1) = 5-9
f(1) = -4

So, now put -4 into the inverse function and the answer we expect is 1.

jon.

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