Graph A shows the distance of an elevator from the ground floor of a 6 story building over a period of time graph B will show the distance from the top floor
Complete each statement about graph B

On graph B , at 0seconds the height of the graph will be _
- 0floors
- 2floors
-3 floors
-4 floors
-6 floors
- an undetermined number of floors

Then graph B will _ until 15 seconds
-increase
-decrease
- stay level

At 15 seconds graph B will begin _
-decreasing
- increasing
- stay level

Until the graph is at
- 0 floors
- 2 floors
- 3 floors
- 4 floors
- 6 floors
- an undetermined number of floors