In order to find each friend's share, we need to divide the total amount of pizza by the number of friends.
The total pizza is y² + 6y + 9, and the number of friends is y + 3, so we have:
[tex]\frac{y^2+6y+9}{y+3}=\frac{(y+3)^2}{y+3}=y+3[/tex]Therefore the correct option is the second one: y + 3.
