Precalculus question, image attached.

g(x)= x+1

Step-by-step explanation:

Given ,  

Replace x with g(x)

Now we need to find out what we plug in for g(X) to get x+3 under the radical

g(x) +2 is under the radical. we need x+3 , so we replace g(x) with x+`

So g(x)+2 becomes x+1+2 is x+3

Hence g(x) is x+1

can i see the following ?

step-by-step explanation: