You have to multiply the fraction by the parenthesis and then combine like terms and so on
Answer:
third option: (x+3) / √x+2
Step-by-step explanation:
f(x) = √x+2 g(x) = (x² + 1) / x
(g·f)(x) = g(f(x)) = ((√x+2)² + 1) / √x+2
==> (x+2+1) / √x+2
==> (x+3) / √x+2
Answer:
Take a look at the picture below
Have a good day :)