Ashopper needs 24 sandwich rolls the store sells identical rolls and two differently sized packages they sell a six pack for $5.28 and four packs for $3.40 should the shopper by for six packs or four four packs

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 think it might be a but you might want a second opinion