Question

The table below represents the atmospheric temperature at a location as a function of the altitude:

Altitude
(in thousand feet)
x
15
20
25
30

temperature (in degrees celsius)
f(x)
4
-6
-16
-26

The average rate of change of the function between x = 15 to x = 25 is _________ degrees Celsius per thousand feet and represents the rate of change of temperature per thousand feet.

Answer 1

here is the graph