Question

The domain of x is {-1, 0, 2} they want me to solve the equation -2x + Y = -3

Answer 1

i believe you are just required to find the range, which is y, by plugging the x values.
-2x+y=-3
y=2x-3
then for x=-1, y=-5
for x=0, y=-3,
for x=2, y=1