If the instructions for a problem ask you to use the smallest possible domain to completely graph two periods of y = 5 + 3 cos 2(x - pi divided by three), what should be used for xmin and xmax? plz explain why because this question is seriously confising me.

Find the sum to the equation 3+6+9+

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

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?