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  • 11-06-2018
  • Mathematics
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Evaluate f(9) and f(9.1) and use the results to approximate f '(9). (round your answer to one decimal place.) f(x) = x(5 − x)

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Аноним Аноним
  • 11-06-2018
f(9.1) = 9.1(5-9.1) = -37.31
f(9) = 9 * -4 = -36

Approximate values of f'(9) =  [(-37.31) - (-36)] /   [9.1 - 9]   =  -1.31 / 0.1

=  -13.1  (answer)
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