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Author Question: Determine where the given function is concave up and where it is concave down.f(x) = 9x - x3 (Read 27 times)

nautica902

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on: Jun 16, 2021
Determine where the given function is concave up and where it is concave down. 

f(x) = 9x - x3
◦ Concave up on (0, ∞), concave down on (-∞, 0)
◦ Concave down for all t
◦ Concave up on (-∞, 0) and (1, ∞), concave down on (0, 1)
◦ Concave up on (-∞, 0), concave down on (0, ∞)
Calculus and Its Applications ¦ Bittinger, Ellenbogen, Surgent ¦ 11th Edition
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Marked as best answer by nautica902 on Jun 16, 2021

dawsa925

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Reply #1 on: Jun 16, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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nautica902

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Reply 2 on: Jun 16, 2021
YES! Correct, THANKS for helping me on my review

bimper21

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Reply 3 on: Yesterday
Wow, this really help

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