A function is initially defined by the set of coordinate pairs {(-2,10), (3,5), (7, - 1). Which coordinate pair below, iſ added to this set, prevents the set from representing a function?
(1) (-2, 4)
(2) (0, 10)
(3)(-1,5) (4) (6,12)

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Maria solved an equation as shown below. what is the solution to maria’s equation?