Question

Find the absolute maximum and minimum values of **f(x)=
−x^3−3x^2+4x+3**, if any, over the interval
**(−∞,+∞)(−∞,+∞)**.

I know it doesn't have absolute maxima and minima but where do they occur? In other words x= ? for the maxima and minima?

Answer #1

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x = y =
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Your explanation should make sense to a calculus student who has
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