m = 5, f(-2)= 5.(-2) + 9 = (-10) + 9 = -1
eh maap salah
m=4 jawabannya
f(-2) = m.-2 + 9 = 1 (enter) -2m = 1-9 (enter) m = -8 : -2 = 4 . jadi m = 4
f(x) = mx + 9 dan f(-2) = 1. Nilai m= --> f(-2)= m(-2) + 9 = 1 --> f(-2)= -2m = 1-9 --> f(-2)= m = -8/-2 --> m=4

Jawabanmu

2014-04-07T17:32:02+07:00
F(x)=mx+9 f(-2)=1 f(-2)=m.-2+9=1 -2m=1-9 m=-8รท-2 m=4
2014-04-07T17:32:54+07:00