CPM Homework Help : PC Problem 2-172

Let $g ( x ) = \left\{ \begin{array} { l l } { 3 + x ^ { 2 } } & { \text { if } x < - 2 } \\ { 2 x } & { \text { if } - 2 \leq x < 1 } \\ { 11 - x ^ { 2 } } & { \text { if } \quad x \geq 1 } \end{array} \right.$ . Evaluate:

$g(3)$
Hint (a):
Substitute $3$ into the expression that includes $3$ as part of the domain.

$g(-1)$
Answer (b):
$-2$

$g(-2)$
Hint (c):
Be careful to see if the domain includes $-2$ .

$g(4)$
Answer (d):
$−5$