Sy = –2x + 5
1x - y = 4

answer:     true

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

i would say true? if the unit was informational and it "refreshed your understanding", then true.