Question

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Explanation:

Step1: Recall the definition of inverse function

The inverse function \( f^{-1}(y) \) gives the value of \( x \) such that \( f(x)=y \). So, to find \( f^{-1}(1) \), we need to find the \( x \)-value for which \( f(x) = 1 \).

Step2: Look at the table to find \( x \) when \( f(x)=1 \)

From the table, when \( x = 1 \), \( f(x)=1 \).

Answer:

\( 1 \)