f(-2) = (-2)⊃2; - 3(-2)
= 4+6
=10

f(10) = 10⊃2; - 3(10)
= 100-30
= 70

Lalu subtitusikan ke fungsi [f(f(f(2))) / f(f(2))] - f(2) yaitu:

= [f(f(-2)) / f(-2)] - (-2)

= [f(10) / 10] + 2

= 70/10 + 2

= 9

Jawabannya 9

2. Fungsi f didefinisikan dengan f(x) = x⊃2;-4x.

Nilai [f(f(f(3))) / f(f(3))] + f(3) adalah ...

Pembahasan:

Masukkan ke fungsi awal f(x) = x⊃2;-4x

f(3) = 3⊃2; - 4(3)
= 9-12
= -3

f (-3) = (-3)⊃2; - 4(-3)
= 9+12
= 21

f(21) = (21)⊃2; - 4(21)
= 441 - 84
= 357