Answer:
f(x), h(x), g(x)
Explanation:
You want the functions listed in order of their average rate of change on the interval [3, 5], least to greatest.
Average rate of change
The functions are all being compared on the same interval, so we can look only at the amount of change, rather than going to the trouble to compute the rate of change.
F(x)
f(5) -f(3) = (-8) -(0) = -8
G(x)
g(5) -g(3) = 15 -9 = 6
H(x)
h(5) -h(3) = 8 -6 = 2
Listed in order of increasing rate of change on [3, 5], the functions are ...
f(x), h(x), g(x)
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