Question

Solve y=7x+8 if the domain is {-4,-2,0,2}.

Answer 1

x=-4 --> y=7(-4)+8=-28+8=-20
same way
x=-2 --> y=-6
x=0 --> y=8
x=2 --> y=22

Answer 2

The answer choices are:
A. {-20,-6,8,22}
B. {-22,-8,6,20}
C. {-36,-22,-8,6}
D. {-4,-2,0,2}

Answer 3

Because I didnt understand a word you said before no offense :P He hasnt taught us this yet.

Answer 4

ok. Simply substitute the value of x. Take each one from yhe domain

Answer 5

take x=-4. Now put -4 in place of x in y=7x+8
y=7(-4)+8=-28+8=-20

In same way put x=-2, 0 , 2

Answer 6

A is the answer

Answer 7

Ok that makes sense, thanks