Question

Diketahui f(x)= -3x +6
1. Jika f(a)= -9, tentukan nilai a.
Paket mtmk hal 103 no.7

Answer 1

F(x)= -3x + 6 f(a) = -3a + 6 -9 = -3a + 6 3a = 9 +6 a = 15 : 3 a = 5

Answer 2

F(x) = -3 + 6 (a) = -3a + 6 - 9 = -3a + 6 3a = 9 + 6 a = 15/3 = 5