Tolong minta bantuanya ya
11] f(2) = 8x + k =15
8(2) + k =15
16 + k = 15
k = 15-16
k = -1
f(-1) = 8(-1) -1
= -8-1
= -9
f(0) = 8(0) -1
= 0-1
= -1
f(1) = 8(1) – 1
= 8-1
= 7
jadi, -9-1+7= -3
12] g(x)= 15-6x
g(a)= 15 – 6a= -3
-6a = -3 – 15
-6a = -18
a = 18/6
a = 3