Linear Applications, SMB-001 MC

Jeremy sold ice creams out of his ice cream truck.

He drew the graph below to show how the number of ice creams he sells in a week is related to their price.

 
Which statement best describes the graph?

1. As the ice cream price goes up, the number sold goes down.
2. As the ice cream price goes up, the number sold goes up.
3. As the ice cream price goes down, the number sold goes down.
4. As the ice cream price goes down, the number sold stays the same.