diketahui fungsi f(x) = ax +b jika f(-4) = 13 dan f(3)= -1 maka nilai f(-2) adalah

Fungsi

f(x) = ax + b
f(-4) = -4a + b = 13
f(3) = 3a + b = -1

-4a + b = 13
3a + b = -1
__________ _
7a = 14
a = 14/7
a = 2

3a + b = -1
3 x 2 + b = -1
6 + b = -1
b = -1 - 6
b = -7

f(-2) = -2a + b
= -2 x 2 + (-7)
= -4 - 7
= -11

*semoga membantu. sukses selalu ^_^

Semoga membantu. cukup sekian