pada fungsi g : x = 1/2 (x+4), jika a = 6, maka a =

g(x) = ½ (x + 4)

g(a) = ½ (a + 4)
6 = (½)a + 2
(½)a = 6 - 2
a = 4 : ½
a = 4 × 2/1
a = 8

Semoga berguna +_+