fungsi f(x) =ax-6, jika f(2)=1 ,maka f(5) adalah

f (x) = ax - 6

f (2) = 1
2a - 6 = 1
2a = 1 + 6
a = 7/2

Nilai f (5)
= 7/2 (5) - 6
= 35/2 - 6
= 35/2 - 12/2
= 23/2
= 10 3/2