Can you help me solve this

Someone . me. compound probability

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

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