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lina2011 [118]
3 years ago
8

Given that f(x)=2x-8, determine the average rate of change over the interval [2, 8].

Mathematics
1 answer:
8_murik_8 [283]3 years ago
5 0

Answer:

2

Step-by-step explanation:

The average rate of change over [2, 8] is the change in the y-values over the change in the x-values.

\frac{f(8) - f(2)}{8 - 2}

f(8) = 2(8) - 8 = 16 - 8 = 8

f(2) = 2(2) - 8 = 4 - 8 = -4

\frac{8 - (-4)}{8-2} = \frac{8 + 4}{8-2} = \frac{12}{6} = 2

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