Answer
(a) $\sqrt{x}, 1$
(b) $x^{2}, 3$
Work Step by Step
(b) $x^{2}=f(x)$ , $3=a$
This is because: $9=3^{2}$
(a) $\sqrt{x}=f(x)$ , $1=a$
This is because: $1=\sqrt{1}$
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