Please give me the correct answer

What is the standard form of -5x^2+2x^4-11+x^3+3x

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?  

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test