(35 points) A movie theater has special pricing for large group events. for the first 7 people, the tickets cost $10 per person. for every person after that, up to a group of 20 people, the tickets cost $5 per person. the function c gives the total cost, in dollars for a youth group to take a special trip to the movie theater.

A. Is Function C a piecewise function? Please explain your reasoning.
B. Draw a graph to represent C.
C. Describe as completely as possible, the domain of C.
D. Describe as completely as possible the range of C.
Thank you :)