A yogurt with 1 topping is sold for $3.75. Additional toppings can be added for $0.65 cents each. If y represents the total cost and x represents the total number of toppings added, which function rule describes this pattern?

A) y=3.75(x-1)+0.65
B) y=3.75-0.65(x+1)
C) y=3.75+0.65x
D) y=3.75+0.65(x-1)

And how did you get that answer