Chapter 1: Functions - Section 1.1 - Functions and Their Graphs - Exercises 1.1 - Page 12: 26

See graph

$g(0) = 1 - 0$ $g(0) = 1 $ $g(1) = 1 - 1$ $g(1) = 0$ So the first part of the graph will be a straight line from ($0,1)$ to $(1,0)$ $g(1) = 2 - 1$ $g(1) = 1$ $g(2) = 2 - 2$ $g(2) = 0$ So the second part of the graph will be a straight line from (but not including) $(1,1)$ to $(2,0)$.