Question

Tolong banti nomo 16 pake cara

Answer 1

Ambil titik bebas (yang dititik hitam)
f(x) = ax + b
Misal:
f(0) = -3
f(2) = 1
Sehingga:
f(0) = a(0) + b
-3 = b
Maka:
f(2) = 1
1 = 2a + b
1 = 2a + (-3)
1 = 2a - 3
2a = 1 + 3
2a = 4
a = 2

Sehingga,
f(x) = ax + b
f(x) = 2x + (-3)
f(x) = 2x - 3