Beyond the Basics

103.
1. $f + g = {(- 2, 3), (1, 0), (3, 2)}$ $f + g = {(- 2, 3), (1, 0), (3, 2)}$
2. $f g = {(- 2, 0), (1, - 4), (3, 0)}$ $f g = {(- 2, 0), (1, - 4), (3, 0)}$
3. $\frac{f}{g} = {(1, - 1), (3, 0)}$ $\frac{f}{g} = {(1, - 1), (3, 0)}$
4. $f \circ g = {(0, 1), (1, 3), (3, 1)}$ $f \circ g = {(0, 1), (1, 3), (3, 1)}$
105.
1. $h (x) = \frac{h (x) + h (- x)}{2} + \frac{h (x) - h (- x)}{2}$ $h (x) = \frac{h (x) + h (- x)}{2} + \frac{h (x) - h (- x)}{2}$
107. $(- \infty, - 2) \cup [- 1, 1] \cup (2, \infty)$ $(- \infty, - 2) \cup [- 1, 1] \cup (2, \infty)$

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Table of Contents for Beyond the Basics