You have seen that the total number of lights in a triangular lighting rig is given by t(n) = n2/2 + n/2, while t(n+1) = n2/2 + 3n/2 + 1. if t(n) times t(n+1) = f(n), what is the reduced form of f(n)?

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