(16, 15)
(20, 15)
Calories per Minute
(12,9)
(24, 3)
4
8
12 16
Minutes
20
24
The rate, in calories per minute, at which a person using an exercise machine burns calories is modeled by the
function f. In the figure above, f(1) =
+ 1 for OSIS 4 and S is piecewise linear for 4 SI S 24
(a) Find f'(22). Indicate units of measure.