Question
Assume that $f$ is a one-to-one function.a. If $f(2)=7$, find $f^{-1}(7)$.b. If $f^{-1}(3)=-1,$ find $f(-1)$.
Step 1
In other words, if $f(x) = y$, then $f^{-1}(y) = x$. Show more…
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