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10-01-2021
Mathematics

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On what interval(s) of x does f have positive concavity?

On what interval(s) of x does f have negative concavity?

On what intervals of x does f have positive concavityOn what intervals of x does f have negative concavity class=

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sqdancefan sqdancefan

11-01-2021

9514 1404 393

Answer:

positive concavity: none
negative concavity: (-∞, ∞)

Step-by-step explanation:

A parabola that opens downward has a second derivative that is negative everywhere. The interval of negative concavity is 'all real numbers', (-∞, ∞). There is no interval of positive concavity.

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