Answer: Choice A) [tex]-3 \le x < 1[/tex]
The reason why is because we have a closed circle at -3 and an open circle at 1. The closed circle means we include this as part of the solution set. An open circle means we exclude the endpoint.
So x is between -3 and 1, including -3 but excluding 1.
We could write [tex]x \ge -3 \ \text{ and } \ x < 1[/tex] but its much more compact to write [tex]-3 \le x < 1[/tex]
