Question: In Problems 1-4, find all critical points and determine whether they are relative maxima, relative minima, or horizontal points of inflection. 1. y= -x2 2.

In Problems 1-4, find all critical points and determine whether they are relative maxima, relative minima, or horizontal points of inflection.
1. y= -x2
2. p = q2 - 4q - 5
3. f(x) = 1 - 3x + 3x2 - x3
4. f(x) = 3x / x2 + 1

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