Diketahui g(x)=px+q jika nilai g(8)=12 dan g(-2)=-8 Tentukan: a) Nilai p dan q b)Bentuk Fungsinya c) Nilai g(-4)

g(x) = px + q
g(8) = 12
8p + q = 12 .. (1)

g(-2) = -8
-2p + q = -8 ... (2)

(1) - (2) = 12 - (-8)
10p = 20
p = 2
q = -4

g(x) = px + q
g(x) = 2x - 4

g(-4) = 2(-4) - 4
g(-4) = -12