Fungsi f dinyatakan dengan rumus f(x) = px+q,jika f(0) =-2 dam f(2)=4.tentukan nilai p dan q beserta jalanya

f(x) = px + q
f(0) = -2
f(2) = 4

f(0) = p(0) + q = q = -2
f(2) = 2p + q = 4

q = -2
maka
2p + q = 4
2p - 2 = 4
2p = 6
p = 3

Jadi
p = 3
q = -2