Question

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

Answer 1

A.0 + b = 4 
b = 4 
2.a + 4 = 0 
a = -2 
-2.m + 4 = -8 
m = 6 

Answer 2

F(0) = - 4
brarti b = -4

f(2) = a.2 + (-4) =0
2a = 4
a = 2

8 = 2m - 4
12 = 2m
m = 6