please bantu ya kk brainly

Kelas 8 Matematika
Bab Fungsi

f(x) = px + q

f(2) = 2p + q = 4
f(4) = 4p + q = 10
.........------------------ -
-2p = -6
p = 3

2 . 3 + q = 4
q = 4 - 6
q = -2

p = 3 dan q = -2

b] f(x) = 3x - 2

f(10) = 3 . 10 - 2
f(10) = 30 - 2
f(10) = 28