Noralie has a home-based business putting on children's parties. She charges $45 to design the party and then $5.50 per child. W
rite a function rule that relates to the total cost of the party to the number of children n. A. f(n) = 5.5n - 55
B. f(n) = 5.5 - 55n
C. f(n) = 45 + 5.5n
D. f(n) = 5.5 + 45n