Let $f ( x ) = 3 + x ^ { 2 }$

question 60

Essay

Let $f ( x ) = 3 + x ^ { 2 }$ , $0 \leq x \leq 5$
(a) Sketch the graph of
$f$ then use it to sketch the graph of
$f ^ { - 1 }$ .
(b) Find
$f ^ { - 1 }$ .

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