nomor 17 pakai cara ya thxx

jawabannya 9

dikoreksi lagi, ya, mana tau saya khilaf.

good luck
:-)
❤
⭐

Dicari = f(3)

f(4x - 1) = 8x + 4
f(3) = ...

4x - 1 = 3
4x = 3 + 1
4x = 4
x = 1

f(3) = 8(1) + 4
f(3) = 8 + 4 = 12 

Semoga membantu, maaf kalau salah