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meriva
4 years ago
14

I need help please I don’t understand.

Mathematics
1 answer:
irakobra [83]4 years ago
8 0

Answer:

2

Step-by-step explanation:

The rate of change in the closed interval [ a, b ] is

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

Here [ a, b ] = [ 30, 50 ]

f(b) = f(50) = 100 ← from graph

f(a) = f(30) = 60 ← from graph , thus

average rate of change = \frac{100-60}{50-30} = \frac{40}{20} = 2

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