Question

sejam as funções reais ,sendo que f(x)=4x-2 e f[g(x)]=2x+10.determine g(x)

Answer 1

Se f(x) = 4x - 2
f (g(x))= 2x +10 =

g(x) = ?

4(g(x)) -2 = 2x+10
4 g(x)= 2x+10+2
4 g(x) = 2x + 12
g (x) = (2x +12) / 4
g(x) = x/2 + 3