50 POINTS! Use the graph to interpret and match the approximate intervals with their descriptions. Drag the tiles to the correct boxes. Not all tiles will be used.

Tiles
(4.9, 10) (-9, 0) (0, 4.9) (-6.3, 10) (-3, 10) (-9, 3)

Pairs
interval over which the difference of the numbers of sales is negative
interval over which the difference of the numbers of sales is positive
interval over which the difference of the numbers of sales is decreasing
interval over which the difference of the numbers of sales is increasing