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cubic function

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a polynomial function in a single variable where the highest exponent of the variable is 3

Wikidata facts

Followed by
quartic function
Show 4 more facts
different from
cubic equation
Commons category
Cubic functions
has characteristic
degree of a polynomial
maintained by WikiProject
WikiProject Mathematics
Sources (3)

via Wikidata · CC0

~10 min read

Encyclopedic overview

Graph of a cubic function with 3 real roots (where the curve crosses the horizontal axis—where y = 0). The case shown has two critical points. Here the function is f(x) = (x + 3x − 6x − 8)/4.

In mathematics, a cubic function is a function of the form

Excerpted from Wikipedia’s “cubic function” article, available under the CC BY-SA 4.0 licence.