Lenore is going to sell T-shirts at a field hockeygame to raise money for the team. She findsa website that makes custom T-shirt
s. Thecompany charges $11.99 per shirt for an orderless than 50, $9.99 per shirt for 50 to 100T-shirts, and $7.99 for more than 100 T-shirts.Identify what the range and domain is.