fungsi didefinisikan f f(×)=ax+b jika f(0)=4 dan f(1)=-4 maka

Bab Fungsi
Matematika SMP Kelas VIII

f(x) = ax + b

f(0) = 0 + b = 4
b = 4

f(1) = a + b = -4
a + 4 = -4
a = -4 - 4
a = -8

f(x) = -8x + 4