A rule was used to create this list of points. Is the rule a function or not a function? (-6, 13), (-3, 7), (0, 1), (3, -5), (-6, -11), (9, -17)

Function

Not a Function

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

What is the value of the product (3-2i)(3+2i)?