Samira invests $2500 into a certificate of deposit for three years at a rate of 2% how much did she earn in interest

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 hope this is what you were looking for.

see attached graph