(-2,2) (8,2) (8,-2) (-2,-2)
Answer:
see explanation
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 5x + 4 ( subtract 4 from both sides )
y - 4 = 5x ( divide both sides by 5 )
= x
Change y back into terms of x
(x) = 
1. 7/10(1/5=2/10)
2. 1/12(1/2=6/12)