Last Updated
：2025/11/21
cubic function
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（ plural ）
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(mathematics) Any function (polynomial) whose greatest exponent is 3.
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cubic function
The cubic function f(x) = 2x3 - 3x2 + x - 5 crosses the x-axis at up to three points.
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The cubic function f(x) = 2x3 - 3x2 + x - 5 crosses the x-axis at up to three points.
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