A.-36
B.36
C.-14
D.14
* TOLONG DI JAWAB SOAL NYA KALO AKU GA
BISA JAWAB NANTI DI CUBIT 50 KALI SAMA GURUKU TERIMAKASIH…
Fungsi f(x) = ax+b memiliki nilai f(-1) = 16 fan f(2) = 1. nilai f(a) adalah..
Jawaban:
B
2a + b = 1
-1a + b = 16
————— —
3a = -15
a = -5
2 . -5 + b = 1
-10 + b = 1
b = 11
f(a) = f(-5) = -5² + 11 = 25 + 11 = 36