Asked by Jon

Find the inverse of f(x)= 7x-2.

y = 7x - 2
x = 7y - 2
7y/7 = x - 2/7
= f^-1(x)= (x - 2)/7

Answered by Reiny
should be f^-1(x)= (x + 2)/7
check your arithmetic.
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