Appendix D - Graphing Techniques - Exercises - Page 448: 25

Appendix D - 19 (Answer) See Graph I

Appendix D - 19 (Solution) For $y = |-\frac{1}{2} x|$, When $x = 4, y = 2;$ $x = 2, y = 1;$ $x = 0, y = 0;$ $x = −2, y = 1;$ $x = −4, y = 2$ Domain = $(−\infty, \infty)$ Range = $[0, \infty)$ See Graph I