Question

{(-4, 12), (-2, 6), (0, 0), (3,-9), (7, -21)} Is this a function? Yes No How do you know? Is this proportional? Yes No How do you know?​

Answer 1

Yes it’s a function

Explanation:

It has x and y values the x values would be the inputs the outputs are the y values the domain D= -4, -2, 0, 3, 7, then the range R= 12, 6, 0, -9, -21

Good luck! I hope it’s right don’t trust my abilities fully.