zahellabnase zahellabnase

05-09-2016
Mathematics

Answered

Find the inverse of the function.

f(x) = 7x + 2

Verified Answer :

HomertheGenius HomertheGenius

14-09-2016

f ( x ) = 7 x + 2
y = 7 x + 2
- 7 x = - y + 2 /*(-1)
7 x = y - 2 / : 7
x = y/7 - 2/7 = ( y - 2 ) / 7
The inverse of the function is:
f^(-1) ( x ) = ( x - 2 ) /7

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