Section 4.4: Unit 3 Practice Answers

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Unit 3 Answers

Section 3.1P: Absolute Value

$ y = \left\{ \begin{array}{ll} -x-1, & \text{if } x < -1 \\ x+1, & \text{if } x \ge -1 \end{array} \right. $
$Screen Shot 2019-09-09 at 3.12.13 PM.png$
$ y = \left\{ \begin{array}{ll} 4-5x, & \text{if } x < \tfrac{4}{5} \\ -4+5x, & \text{if } x \ge \tfrac{4}{5} \end{array} \right. $
$Screen Shot 2019-09-09 at 3.14.38 PM.png$
$ y = \left\{ \begin{array}{ll} -x-5, & \text{if } x < -5 \\ x+5, & \text{if } x \ge -5 \end{array} \right. $
$Screen Shot 2019-09-09 at 3.18.17 PM.png$
$ y = \left\{ \begin{array}{ll} 0, & \text{if } x < 0 \\ 2x, & \text{if } x \ge 0 \end{array} \right. $
$Screen Shot 2019-09-09 at 3.20.24 PM.png$
$ y = \left\{ \begin{array}{ll} -x+1, & \text{if } x < 1 \\ x-1, & \text{if } x \ge 1 \end{array} \right. $
$Screen Shot 2019-09-09 at 3.22.13 PM.png$
$ y = \left\{ \begin{array}{ll} -2x+1, & \text{if } x < \tfrac{1}{2} \\ 2x-1, & \text{if } x \ge \tfrac{1}{2} \end{array} \right. $
$Screen Shot 2019-09-09 at 3.23.54 PM.png$
$ y = \left\{ \begin{array}{ll} 1-3x, & \text{if } x < \tfrac{1}{3} \\ -1+3x, & \text{if } x \ge \tfrac{1}{3} \end{array} \right. $
$Screen Shot 2019-09-09 at 3.25.35 PM.png$
$ y = \left\{ \begin{array}{ll} 2x, & \text{if } x < 0 \\ 0, & \text{if } x \ge 0 \end{array} \right. $
$Screen Shot 2019-09-09 at 3.26.40 PM.png$
Answers will vary.
Answers will vary.