Jenna is selling glasses of lemonade for $1.50 per cup. She begins the day with $4.50 in change. The amount of money, m, she has as a function of the number of cups she sells is m=1.50c +4.50. Which of the
following would be an appropriate domain for this function?
(1) {-3, -2,-1,0,1,2,3}
(2) {1,1.5, 2, 2.5, 3, 3.5)
(3) {0,1,2,3,4,5,6)
(4) {4.50, 6.00, 7.50,9.00, 10.50)