Tlong dibantu nomer 16 karna msh bingung

f(x) = ax + b

f(-4) = -4a + b = 13
f(3) = 3a + b = -1
_________ _
-7a = 14
a = 14/-7
a = -2

3a + b = -1
3.(-2) + b = -1
-6 + b = -1
b = -1 + 6
b = 5

f(-2) = -2a + b
= -2.(-2) + 5
= 4 + 5
f(-2) = 9

Semoga membantu dan semoga bermanfaat...