Asked by Alaska Diamond
I need to find the inverse of this function
f(x)=9x+7
please show steps. The answer I got is not one of the multiple choices I have.
The answer I got is f^-1 (x)=1/9x-7/9
f(x)=9x+7
please show steps. The answer I got is not one of the multiple choices I have.
The answer I got is f^-1 (x)=1/9x-7/9
Answers
Answered by
Steve
y = 9x-7
y+7 = 9x
x = (y+7)/9
so, f<sup>-1</sup>(x) = (x+7)/9
y+7 = 9x
x = (y+7)/9
so, f<sup>-1</sup>(x) = (x+7)/9
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