Take two points out( anyone you like)
(-2,-4)
(3,16)
y=kx+b
put those two point in there:
-2k+b=-4
3k+b=16
-2k+b-3k-b=-4-16
-5k=-20
k=4
-2(4)+b=-4
-8+b=-4
b=-4+8
b=4
So your answer will be:
y=4x+8
F(x)=4x+8
