Question
Find $f^{-1}$ and verify that $\left(f \circ f^{-1}\right)(x)=\left(f^{-1} \circ f\right)(x)=x$.$$f(x)=x^{2}+1, \quad x \geq 0$$
Step 1
To find the inverse, we first replace $f(x)$ with $y$ to get $y = x^{2} + 1$. Show more…
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