CPM Homework Help : CCA2 Problem 1-62

Name the domain and range for each of the following functions.

Answer (a):

Range:
$\left\{−2,1,2\right\}$

Domain:
$\left\{−1,1,2\right\}$

Answer (b):

Domain:
$−1\le x<1$

Range:
$−1\le y<2$

Answer (c):

Domain:
$x\ge−1$

Range:
$y\ge−1$

Answer (d):

Range:
$y\ge−2$

Domain:
$−∞<x<∞$