X / Y

0 = -8
1 = 7 1/2
2 = -7
3 = -6 1/2

Which equation describes the function shown in the mapping diagram?

f(x)=1/2x-8
f(y)=1/2x-8
f(x)=8x-1/2
f(y)=8x-1/2

1 answer

f(x)=1/2x-8