DIKETAHUI f(x) = ax + b. jika f(-1) = -8 dan f(2) = 13 nilai f(5) =...

Ni hasil jawabannya ^_^

F(-1) =a(-1)+b = -8
F(2) = a(2) + b =13
Eliminasi
-3a = -21
A=7
B= -7+8= b
B = 1
F(5) = -5.7 +1
=-34