Diketahui f(×)=a×+b.jika f(-1)=5 dan f(-3)=-13 maka nilai f(2) adalah Pliss Bantu jawab

f(x) = ax + b
f(-1) = -a + b = 5
f(-3) = - 3a + b = - 13
-----------------------------(-)
2a = 18
a = 9
- a + b = 5
- 9 + b = 5
b = 5 + 9
b = 14
f(x) = 9x + 14
f(2) = 9(2) + 14 = 18 + 14 = 32