dik. fungsi f(x)=mx+3 jika f(-2)=2,makaf(-8) adalah

f(x) = mx + 3
f(-2) = 2
m( -2) + 3 = 2
-2 m = 2 - 3
-2 m = -1 3
m = -1/-2 = 1/2
maka f(x) = 1/2 x + 3
f (-8) = 1/2.(-8) + 3
= -4 + 3
= -1