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OpenStudy (anonymous):
Let f(x) = 5x + 12. Find f^-1(x). A.12x + 5 B.1/5x+12 C.5/x-12 D.x-12/5
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OpenStudy (anonymous):
like solving for x in \[5x+12=7\] subtract 12, divide by 2 so your inverse is \[f^{-1}(x)=\frac{x-12}{2}\]
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