A plane is on its approach to land on the runway. The jet's height above the ground is given in feet as a function of
the time in seconds. The following table tracks the plane as it lands:
t (in seconds) h (in feet)
0
4000
5
3500
10
3000
15
20
25
2500
2000
1500
Mark this and return
=
Ah
4
Calculate the slope. Use the formula
a. The plane is losing altitude.
b. The plane is gaining altitude.
c. The plane is remaining at a constant height.
d. The plane is losing altitude at a rate of 500 feet/second.
At
What is the significance of the sign of the slope?
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