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Critical points of a polynomial of degree 3.

Give examples of polynomials of degree 3 that have no critical point, only one critical point, and two critical points.

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CRITICAL POINT: the critical point within the domain of f is a point where f' is either zero or undefined.
polynomial of degree 3:

no critical point: f(x) = 2x^3 + 3x^2 ...

Solution Summary

Critical points of a polynomial of degree 3 are discussed.

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