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Cubic Function

Definition

A cubic function is a polynomial function of degree 3. It has the general form f(x) = ax^3 + bx^2 + cx + d, where a, b, c, and d are constants.

Related terms

Turning Points: The points on the graph of a cubic function where the graph changes direction.

End Behavior: How the graph approaches infinity or negative infinity as x-values get larger or smaller.

Zeroes/Roots: The values of x that make the cubic function equal to zero.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.