Suatu fungsi dirumuskan f(x) = ax + b. Jika f(0) = -4 dan f(2) = 0, maka nilai m untuk f(m) = -8 adalah…..

F(0) = a(0) + b = -4
f(2) = a(2) + b = 0
______________ –
= a(-2) = -4
= -2a = -4
= a = 2
berarti b = -4

f(m) = 2m + (-4) = -8
= 2m = -8 + 4
= 2m = -4
m = -2

maaf salah