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Nuetrik [128]
3 years ago
15

Find the average rate of change of the parabola below over the interval [1,3]

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

D

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here (a, b ] = [ 1, 3 ], thus

f(b) = f(3) = 5 ← from graph

f(a) = f(1) = - 3 ← from graph

average rate of change = \frac{5-(-3)}{3-1} = \frac{8}{2} = 4 → D

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