g(x)=px+q,jika g(3)=5 dan g(1)=(-3) nilai p dan q adalah

g(x) = px + q

g(3) = 3p + q
3p + q = 5

g(1) = p + q
p + q = -3

Eliminasi
3p + q = 5
p + q = -3
---------------- -
2p = 8
p = 8 / 2
p = 4

p + q = -3
4 + q = -3
q = -3 - 4
q = -7

maka
p = 4
q = -7