Question: What does the second derivative tell us about concavity? i.e. what is the rule of thumb Given a new polynomial function: f(x) = x3-3x2 -9x

Given a new polynomial function: f(x) = x3-3x2 -9x , [4,image text in transcribedimage text in transcribed

What does the second derivative tell us about concavity? i.e. what is the rule of thumb

Given a new polynomial function: f(x) = x3-3x2 -9x , [4,

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