What is the value of the blue dot?

I'll give brainliest if you answer right : )

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?