Question 97344
Start with the graph of {{{y=(1/2)x+1}}}


{{{ graph( 500, 500, -10, 10, -10, 10, (1/2)x+1) }}}



Now erase everything to the left of x=-6 on the line and everything to the right of x=6 on the line


This is what you should end up with




{{{drawing(900, 900, -10, 10, -10, 10,
graph(900, 900, -10, 10, -10, 10,0),
red(line(-6,-2,-5.9,-1.95)),
red(line(-5.9,-1.95,-5.8,-1.9)),
red(line(-5.8,-1.9,-5.7,-1.85)),
red(line(-5.7,-1.85,-5.6,-1.8)),
red(line(-5.6,-1.8,-5.5,-1.75)),
red(line(-5.5,-1.75,-5.4,-1.7)),
red(line(-5.4,-1.7,-5.3,-1.65)),
red(line(-5.3,-1.65,-5.2,-1.6)),
red(line(-5.2,-1.6,-5.1,-1.55)),
red(line(-5.1,-1.55,-5,-1.5)),
red(line(-5,-1.5,-4.9,-1.45)),
red(line(-4.9,-1.45,-4.8,-1.4)),
red(line(-4.8,-1.4,-4.7,-1.35)),
red(line(-4.7,-1.35,-4.6,-1.3)),
red(line(-4.6,-1.3,-4.5,-1.25)),
red(line(-4.5,-1.25,-4.4,-1.2)),
red(line(-4.4,-1.2,-4.3,-1.15)),
red(line(-4.3,-1.15,-4.2,-1.1)),
red(line(-4.2,-1.1,-4.1,-1.05)),
red(line(-4.1,-1.05,-4,-1)),
red(line(-4,-1,-3.9,-0.95)),
red(line(-3.9,-0.95,-3.8,-0.9)),
red(line(-3.8,-0.9,-3.7,-0.85)),
red(line(-3.7,-0.85,-3.6,-0.8)),
red(line(-3.6,-0.8,-3.5,-0.75)),
red(line(-3.5,-0.75,-3.4,-0.7)),
red(line(-3.4,-0.7,-3.3,-0.65)),
red(line(-3.3,-0.65,-3.2,-0.6)),
red(line(-3.2,-0.6,-3.1,-0.55)),
red(line(-3.1,-0.55,-3,-0.5)),
red(line(-3,-0.5,-2.9,-0.45)),
red(line(-2.9,-0.45,-2.8,-0.4)),
red(line(-2.8,-0.4,-2.7,-0.35)),
red(line(-2.7,-0.35,-2.6,-0.3)),
red(line(-2.6,-0.3,-2.5,-0.25)),
red(line(-2.5,-0.25,-2.4,-0.2)),
red(line(-2.4,-0.2,-2.3,-0.15)),
red(line(-2.3,-0.15,-2.2,-0.1)),
red(line(-2.2,-0.1,-2.1,-0.05)),
red(line(-2.1,-0.05,-2,0)),
red(line(-2,0,-1.9,0.05)),
red(line(-1.9,0.05,-1.8,0.1)),
red(line(-1.8,0.1,-1.7,0.15)),
red(line(-1.7,0.15,-1.6,0.2)),
red(line(-1.6,0.2,-1.5,0.25)),
red(line(-1.5,0.25,-1.4,0.3)),
red(line(-1.4,0.3,-1.3,0.35)),
red(line(-1.3,0.35,-1.2,0.4)),
red(line(-1.2,0.4,-1.1,0.45)),
red(line(-1.1,0.45,-1,0.5)),
red(line(-1,0.5,-0.9,0.55)),
red(line(-0.9,0.55,-0.8,0.6)),
red(line(-0.8,0.6,-0.7,0.65)),
red(line(-0.7,0.65,-0.6,0.7)),
red(line(-0.6,0.7,-0.5,0.75)),
red(line(-0.5,0.75,-0.4,0.8)),
red(line(-0.4,0.8,-0.3,0.85)),
red(line(-0.3,0.85,-0.2,0.9)),
red(line(-0.2,0.9,-0.1,0.95)),
red(line(-0.1,0.95,0,1)),
red(line(0,1,0.1,1.05)),
red(line(0.1,1.05,0.2,1.1)),
red(line(0.2,1.1,0.3,1.15)),
red(line(0.3,1.15,0.4,1.2)),
red(line(0.4,1.2,0.5,1.25)),
red(line(0.5,1.25,0.6,1.3)),
red(line(0.6,1.3,0.7,1.35)),
red(line(0.7,1.35,0.8,1.4)),
red(line(0.8,1.4,0.9,1.45)),
red(line(0.9,1.45,1,1.5)),
red(line(1,1.5,1.1,1.55)),
red(line(1.1,1.55,1.2,1.6)),
red(line(1.2,1.6,1.3,1.65)),
red(line(1.3,1.65,1.4,1.7)),
red(line(1.4,1.7,1.5,1.75)),
red(line(1.5,1.75,1.6,1.8)),
red(line(1.6,1.8,1.7,1.85)),
red(line(1.7,1.85,1.8,1.9)),
red(line(1.8,1.9,1.9,1.95)),
red(line(1.9,1.95,2,2)),
red(line(2,2,2.1,2.05)),
red(line(2.1,2.05,2.2,2.1)),
red(line(2.2,2.1,2.3,2.15)),
red(line(2.3,2.15,2.4,2.2)),
red(line(2.4,2.2,2.5,2.25)),
red(line(2.5,2.25,2.6,2.3)),
red(line(2.6,2.3,2.7,2.35)),
red(line(2.7,2.35,2.8,2.4)),
red(line(2.8,2.4,2.9,2.45)),
red(line(2.9,2.45,3,2.5)),
red(line(3,2.5,3.1,2.55)),
red(line(3.1,2.55,3.2,2.6)),
red(line(3.2,2.6,3.3,2.65)),
red(line(3.3,2.65,3.4,2.7)),
red(line(3.4,2.7,3.5,2.75)),
red(line(3.5,2.75,3.6,2.8)),
red(line(3.6,2.8,3.7,2.85)),
red(line(3.7,2.85,3.8,2.9)),
red(line(3.8,2.9,3.9,2.95)),
red(line(3.9,2.95,4,3)),
red(line(4,3,4.1,3.05)),
red(line(4.1,3.05,4.2,3.1)),
red(line(4.2,3.1,4.3,3.15)),
red(line(4.3,3.15,4.4,3.2)),
red(line(4.4,3.2,4.5,3.25)),
red(line(4.5,3.25,4.6,3.3)),
red(line(4.6,3.3,4.7,3.35)),
red(line(4.7,3.35,4.8,3.4)),
red(line(4.8,3.4,4.9,3.45)),
red(line(4.9,3.45,5,3.5)),
red(line(5,3.5,5.1,3.55)),
red(line(5.1,3.55,5.2,3.6)),
red(line(5.2,3.6,5.3,3.65)),
red(line(5.3,3.65,5.4,3.7)),
red(line(5.4,3.7,5.5,3.75)),
red(line(5.5,3.75,5.6,3.8)),
red(line(5.6,3.8,5.7,3.85)),
red(line(5.7,3.85,5.8,3.9)),
red(line(5.8,3.9,5.9,3.95)),
red(line(5.9,3.95,6,4)),

red(circle(-6,-2,0.1)),

green(circle(6,4,0.1)))}}} graph of  and {{{y=(1/2)x+1}}} (red) from x=-6 to x=6. Notice there are open circles at x=-6 and x=6. These are excluded from the graph.