The buffet restaurant charges $3.25 for the first pound of chicken salad and $2.85 for each pound thereafter. If y represents the total cost and x represents the total number of pounds, what is the function rule for this pattern?

A. y = 3.25 – 2.85(x – 1)
B. y = 3.25 – 2.85(x + 1)
C. y = 3.25 + 2.85(x + 1)
D. y = 3.25 + 2.85(x – 1)

Question

The buffet restaurant charges $3.25 for the first pound of chicken salad and $2.85 for each pound thereafter. If y represents the total cost and x represents the total number of pounds, what is the function rule for this pattern?

	A.	y = 3.25 – 2.85(x – 1)
	B.	y = 3.25 – 2.85(x + 1)
	C.	y = 3.25 + 2.85(x + 1)
	D.	y = 3.25 + 2.85(x – 1)

anonymous · Answer

D is the correct answer

anonymous · Answer

First will be billed automatically. Rest will be x-1 *as first is already billed) and then multiplied by the cost. Sum it up and you get the total