Question

Diketauhi fungsi f(x)=ax+b.jika f(2)=3 dan f(1)=-3 ,maka nilai a adalah

Answer 1

Verified answer

F(x)=ax+b

f(2)=2a+b=3
f(1)=a+b=-3

2a+b=3
a+b=-3

a=6

Answer 2

Bab Fungsi
Matematika SMP Kelas VIII

f(x) = ax + b 

f(2) = 2a + b = 3
f(1) =  a  + b = -3
       ------------------- -
                 a = 6