How much would $500 invested at 5% interest compounded continuously be worth after 4 years? Round your answer to the nearest cent

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)