Answer:
a: (inf,inf) b: (3,0) c: pos. (inf, 0] neg. (0, inf)
Step-by-step explanation:
a: the graph stretches infinitely left to right.
b: the filled in dot means it includes the number, while empty ones means it does not.
c: brackets mean it also includes the number, so be sure to add that.
-Mr. Willams
Good luck with your homework.
