diketahui fungsi f (x) = m x + n . jika f (-1 ) =2 dan f (2) = 11 , nilai f ( 4) adalah

F(x) = mx + n
F(-1) = - 1m + n = 2
F(2) = 2m + n = 11
Dikurangi
- 3m = - 9
m = 3

-1 m + n = 2
-3 + n = 2
n = 2 + 3
n = 5

F(4) = mx + n
= 3(4) + 5
= 12 + 5
= 17
Sorry kalo salah. Semoga membantu