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cestrela7 [59]
3 years ago
5

Calculate the average rate of change of

Mathematics
1 answer:
Arlecino [84]3 years ago
6 0
Avg rate of change is given by change in f(x) over change in x, in other words:

\displaystyle \frac{f(x_2)-f(x_1)}{x_2-x_1}, x_2 > x_1

Substituting the function and your values of x gives:

\displaystyle \frac{f(3)-f(-5)}{3-(-5)} = \frac{(-3(3)^2+4(3))-(-3(-5)^2+4(-5))}{8} = \frac{-15+95}{8} \\
= \frac{80}{8} = \boxed{10}
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<h2>{7}^{3} (as \: a \: single \: power \: of \: 7)</h2>

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<em><u>Given</u></em><em><u> </u></em><em><u> </u></em>

{7}^{4}  \div 7

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<em><u>Hence</u></em><em><u>,</u></em>

=  {7}^{4 - 3}

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