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Concept

Cubic Function

A cubic function is a polynomial function that has a degree of

3 .

$y = a x^{3} + b x^{2} + c x + d$

Here, $a, b, c$ and $d$ are real numbers and $a \neq = 0$ . The parent function is $y = x^{3}$ and depending on the values of the coefficients, cubic functions have different shapes.

A cubic function can have a relative minimum and maximum – the highest and lowest point for a region of its graph.

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