Question

sendo f (x) = 2x + 1 e f (g(x) ) = 2x +11 , determine a função g (x). (1,5)

Answer 1

Oi 

f(x)=2x+1
f(g(x))=2x+11

2(g(x))+1=2x+11
2g(x)=2x+11-1
g(x)=(2x+10) / 2
g(x)=x+5

Então: 
g(x).(1,5)
(x+5).(1,5)
1,5x+7,5