MATRICES I need help with 82 not the numbers just the interpreted result. So I just need help with what the end result means.

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

42.4

step-by-step explanation:

convert to decimal

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

since no one answered yet i will give it a shot, not completely sure tho.

i think it should be y=cos(x+2pi), (third answer, answer c)

good luck.