3 years ago

Help with this question

Mathematics

1 answer:

Alinara [238K]3 years ago

6 0

Answer:

- 2

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 ] = [ 3, 7 ] and from the graph

f(b) = f(7) = 2

f(a) = f(3) = 10, hence

average rate of change = $\frac{2-10}{7-3}$ = $\frac{-8}{4}$ = - 2

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