A train travels at a rate of \displaystyle (4x+3)(4x+3) miles per hour. How many miles can it travel in \displaystyle (x-5)(x−5) hours?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

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?  

Which of the functions graphed below has a removable discontinuity?