SOLUTION: Define f(x)=3x-8. If f^-1 is the inverse of f, find the value (s) of x for which f(x)=f^-1(x). Thank you.

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Question 919701: Define f(x)=3x-8. If f^-1 is the inverse of f, find the value (s) of x for which f(x)=f^-1(x). Thank you.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
f(x): y = 3x+ 8
: y = (x-8)/3
3x+ 8 = (x-8)/3
9x+ 24 = x-8
8x = -32
x = -4

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