Answer
Domain of $f^{-1}(y)$ : $0 \leq$ y$\leq 5.2$
Work Step by Step
The domain of $f^{-1}(y)$ is the range of $f(x)$, that is, all numbers between 0 and about 5.2. Thus:
Domain of $f^{-1}(y)$ : $0 \leq$ y$\leq 5.2$.
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