PLEASE HELP
100 POINTS

A,C,F

Step-by-step explanation:

y proportional to x means y = kx

A 0*5= 0

4*5 =20

5*5 = 25  Yes

B  This is not We would have to add to get an output of 9 with an input of 0

C 0*4= 0

4*4 =16

5*4 = 20  Yes

A 0*5= 0

1*5 =5

5*5 = 25  not 1 NO

E 0*6= 0

3*6 =18

5*6 = 30 not 35  No

D 0*2= 0

2.5*2 =5

6*2 = 12  Yes

seems like d

step-by-step explanation:

the first one, all those points on the line just make a strait line.