The graph of a function must be linear if it has what characteristic?
-it passes through the origin.
-it crosses the x-axis more than once.
-it crosses the y-axis exactly once
-it has a constant slope.

The graph of a line gets what as the value of the slope gets bigger

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?  

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.