Answer
Points $(-1,0), (0,1), (1,0)$
Work Step by Step
$y = 1 - |x|$
if $x=-1$
$y = 1 - |-1|$
$y = 1 - 1$
$y = 0$
if $x=0$
$y = 1 - |0|$
$y = 1$
if $x=1$
$y = 1 - |1|$
$y = 1 - 1$
$y = 0$
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