Answer:
option 4
Step-by-step explanation:
g(x) = x² + 4x + 4
= x² + 2 * x * 2 + 2² {Compare with identity a²+ 2ab +b² = (a +b)²}
= (x + 2)²
[tex](\dfrac{f}{g})(x) = \dfrac{(x +2)}{(x+2)*(x+2)}\\\\\\= \dfrac{1}{x+2}[/tex]
