45 pts 1 easy question #3 please help asap !! will give branliest

Answer:
x+3 / 2x² (option c)
Step-by-step explanation:
#3
(f.g)(x) = √(x+3) /x • √(x+3) / 2x =
[√(x+3)]•[√(x+3)] /(x. 2x) =
x+3 / 2x² (option c)