Megan charges $18.50 per hour when she mows lawns, plus a $15.00 transportation fee for the day. Which function rule represents the total amount y that Megan charges to mow lawns for x hours in a day?

The function rule is:

y = 18.50x + 15.00

where x is the number of hours she mows and y is the total amount she charges, including the transportation fee.

The function rule that represents the total amount y that Megan charges to mow lawns for x hours in a day is:

y = 18.50x + 15.00