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)