Question 895507
You graph them for each interval where they're valid.
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{{{y=-(2/3)x+1)}}}
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{{{graph(300,300,-8,8,-8,8,-(2/3)x+1)}}}
But it's only valid to x=-5 (and doesn't included x=-5).
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.
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{{{drawing(300,300,-8,8,-40,20,grid(1),
line(-30,21,-5,13/3),
circle(-5,13/3,0.3),
circle(-5,-30,0.3),
circle(-5,-30,0.27),
circle(-5,-30,0.24),
circle(-5,-30,0.21),
circle(-5,-30,0.15),
circle(-5,-30,0.1),
circle(-5,-30,0.05),
circle(2,19,0.3),
circle(2,19,0.27),
circle(2,19,0.24),
circle(2,19,0.21),
circle(2,19,0.15),
circle(2,19,0.1),
circle(2,19,0.05),
circle(2,-2,0.3),

green(line(2,-2,10,-2)),blue(line(2,19,-5,-30)))}}}