Untuk fungsi h(x)=mx+n diketahui h(-2)=1 dan h(0)=5.hitunglah h(-8)

h(-2)=1
h(-2) =
-2m + n = 1
n = 1 + 2 m

h(0)=5
h(0) =
0 + n = 5

0 + 1 + 2 m = 5
2m = 5-1
m=2

-2m + n = 1
-4 + n = 1
n = 1 + 4
n = 5

h(x) = 2x + 5

Jadi h(-8) = 2 . (-8) + 5
h(-8) = -16 + 5

h(-8) = -11