Jayne has a home-based business putting on children's parties. She charges $60 to design the party and then $10.00 per child. Write a function rule that relates the total cost of the party to the number of children n.

A f (n) = 10 - 55n

B f (n) = 60 + 10n

C f (n) = 10 + 60n

D f (n) = 10n - 55

Question

Mathematics

Darren Graham

25 December, 22:16

Jayne has a home-based business putting on children's parties. She charges $60 to design the party and then $10.00 per child. Write a function rule that relates the total cost of the party to the number of children n.

A f (n) = 10 - 55n

B f (n) = 60 + 10n

C f (n) = 10 + 60n

D f (n) = 10n - 55

+3

Answers (1)

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Jaron Walker · Answer 1

She charges $60 to design the party

So we know we need to add 60. So 60 +

then $10.00 per child

10 dollars per child mean 10 times # of children so we have:

10n

Put it all together:

60 + 10n

f (n) = 60 + 10n

Jayne has a home-based business putting on children's parties. She charges $60 to design the party and then $10.00 per child. Write a function rule that relates the total cost of the party to the number of children n.A f (n) = 10 - 55nB f (n) = 60 + 10nC f (n) = 10 + 60nD f (n) = 10n - 55

Jayne has a home-based business putting on children's parties. She charges $60 to design the party and then $10.00 per child. Write a function rule that relates the total cost of the party to the number of children n.

A f (n) = 10 - 55n

B f (n) = 60 + 10n

C f (n) = 10 + 60n

D f (n) = 10n - 55