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Functions and Graphs - y=3x^4+4x^3-6x^2-12x : Tangent Line, Extrema, Intervals of Decrease and Concavity

Y=3x^4+4x^3-6x^2-12x

What are the points where tangent line is horizontal?

What is the relative maxima and minima?

Intervals of decrease?

Points of inflection? and interval(s) of concavity?

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Solution Summary

A Tangent Line, Extrema, Intervals of Decrease and Concavity are found for a function. The solution is detailed and well presented.

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