Does the following relation on x and y make for a function of x? {(−10,9),(−6,4),(−9,9),(10,9)}
Yes, this relation describes a function of x.
No, this relation does not describe a function of x.

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?