At a car repair shop, the cost of a repair depends on the time the mechanic works. which of the following shows this idea expressed in function notation?

a. time(number of cars)
b. time(cost)
c. number of cars(time)
d. cost(time)

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?