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- Wile E.Lv 78 years agoFavorite Answer
f(x) = 9x
x1 = 0:
f(x1) = 9(0)
f(x1) = 0
x2 = 5:
f(x2) = 9(5)
f(x2) = 45
Ave. Rate of Change = m
m = [f(x2) - f(x1)] / (x2 - x1):
m = (45 - 0) / (5 - 0)
m = 45 / 5
m = 9
Ave. Rate of Change = 9
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Source(s): 4/8/13
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