The amount of bacteria in an experiment can be modeled by the function f(x) = 2.5x + 4, where x is the number of hours passed since the beginning of the experiment. while the mathematical range is all values greater than 4, the reasonable range has an unknown upper limit and y ≥ (type answer here)

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