Question

Diketahui g(x) : ax+b tentukan nilai da b jika g(g(x)) : 16x-15

Answer 1

G ( g(x))= 16x - 15
g ( ax +b ) = 16x - 15
a ( ax +b ) + b = 16x - 15
a^2x + ab = 16x - 15
jadi
a^2x = 16 x
a^2 = 16
a = 4 atau -4

ab = -15
4b = -15
b = -15/4

ab = -15
-4b = -15
b = 15/4