So which graph(s) represent(s) functions? • orange graph
• blue graph

orange graph

I got it right on edge:)

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

What expression is equivalent to (2x-1)(x-3)?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?