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Author Question: For the function, find the interval(s) for which f'(x) is positive.f(x) =x3+ 2x2- 16x + 7 (Read 23 times)

biggirl4568

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Question 1

For the function, find the interval(s) for which f'(x) is positive.

f(x) = x3 - 2x2 - 5x + 7
◦ (-∞, 1) and (5, ∞)
◦ (-∞, -1) and (5, ∞)
◦ (-1, ∞)
◦ (-5, ∞)

Question 2

For the function, find the interval(s) for which f'(x) is positive.

f(x) = x3 + 2x2 - 16x + 7
◦ (4, ∞)
◦ (-∞, -4)
◦ (-∞, -4) and (2, ∞)
◦ (-∞, -2) and (4, ∞)


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Marked as best answer by biggirl4568 on Jun 16, 2021

popopong

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biggirl4568

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Reply 2 on: Jun 16, 2021
Gracias!


miss.ashley

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Reply 3 on: Yesterday
Excellent

 

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