h:x ----> 5x -m.jika h(1)=8,maka nilai h(2) =

Bab Fungsi
Matematika SMP Kelas VIII

h(x) = 5x - m

h(1) = 8
5 . 1 - m = 8
5 - m = 8
m = 5 - 8
m = -3

h(x) = 5x - m
       = 5x - (-3)
       = 5x + 3

h(2) = 5 . 2 + 3
       = 10 + 3
       = 13