Question

Ifg(x) = 2x + 1, find g[g(x)].

Answer 1

2(2x+1)+1

4x+2+1

4x+3

Answer 2

g(g(x)) = 4 x+3

Explanation:

Step :-

Given g(x) = 2 x+1

we have to find
`g(g(x)) = g(2 x+1)`

`g(g(x)) = 2(2 x+1)+1`

`g(g(x)) = 4 x+2+1`

`g(g(x))= 4 x+3`