Question

A gas station sells a coffee mug filled with coffee for $3. For each refill, using the same mug, the gas station charges $1.25 for the coffee. If y represents the total cost and x represents the total number of filled coffee mugs purchased, which function rule describes this pattern?

A) y=1.25(x+1)+3
B) y=1.25(x-1)+3
C) y=3+1.25x
D) y=3(x-1)-1.25

Answer 1

b

Answer 2

y = 3 + 1.25x <--answer C