The function graphed below represents the altitude in feet, y, of a passenger airplane during descent after 3 minutes.
y
35.000
PASSENGER PLANE ALTITUDE
30.000
25.000
ALTITUDE
(FEET)
20.000
15.000
10.000
S000
10
15
TIME
(MINUTES)
Which feature of the graph shows the point at which the plane ends its descent?
O x-intercept
O y-intercept
Orange
O slope