Your favorite dog groomer charges according to your dog’s weight. If your dog is 15 pounds and under, the groomer charges $35. If your dog is between 15 and 40 pounds, she charges $40. If your dog is over 40 pounds, she charges $40, plus an additional $2 for each pound over 40 pounds. A. Write a piecewise function for the cost of a dog grooming based on the number of pounds at this grooming salon.

B. Sasha weighs 30 pounds, Link weighs 15 pounds, and their friend Bailey weighs 85 pounds. How much will it cost them all together to get groomed?