The cost of 10 pounds of potatoes is 8 dollars. which equation shows this in function notation?
a. cost x 8 = 10
b. cost(10) = 8
c. cost(8) = 10

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge