Diketahui h (x) = px+q jika h (3) = 5 dan h (1) = -3 tentukan nilai h (-3) ??

h(x)= px + q

h(3) = 5
h(1) = -3
(3-1)p = 5 - (-3)
2p =  8
p = 4

h(3)= 5
q = 5 - 3p
q = 5 - 3(4)
q = 5-12
q = -7

h(x) = 4x -7
h(-3) = 4(-3)- 7
h(-3) = - 12