<a href="https://en.wikipedia.org/wiki/Polynomial" class="extiw" title="en:Polynomial">polynomial</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle f(x)=x^{3}-4x=x(x-2)(x+2)}"><semantics><mrow class="MJX-TeXAtom-ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msup><mi>x</mi><mrow class="MJX-TeXAtom-ORD"><mn>3</mn></mrow></msup><mo>−<!-- − --></mo><mn>4</mn><mi>x</mi><mo>=</mo><mi>x</mi><mo stretchy="false">(</mo><mi>x</mi><mo>−<!-- − --></mo><mn>2</mn><mo stretchy="false">)</mo><mo stretchy="false">(</mo><mi>x</mi><mo>+</mo><mn>2</mn><mo stretchy="false">)</mo></mstyle></mrow><annotation encoding="application/x-tex">{\displaystyle f(x)=x^{3}-4x=x(x-2)(x+2)}</annotation></semantics></math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4cbe7706e3d8107249451366863fde29e4617bea" class="mwe-math-fallback-image-inline" aria-hidden="true" style="vertical-align: -0.838ex; width:33.944ex; height:3.176ex;" alt="{\displaystyle f(x)=x^{3}-4x=x(x-2)(x+2)}"></span> constructed as a composite of two <a href="https://en.wikipedia.org/wiki/B%C3%A9zier_curve" class="extiw" title="en:Bézier curve">Bezier curves</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{0}=(-3,-15),P_{1}=(-2,8),P_{2}=(-1,4),P_{3}=(0,0)}"><semantics><mrow class="MJX-TeXAtom-ORD"><mstyle displaystyle="true" scriptlevel="0"><msub><mi>P</mi><mrow class="MJX-TeXAtom-ORD"><mn>0</mn></mrow></msub><mo>=</mo><mo stretchy="false">(</mo><mo>−<!-- − --></mo><mn>3</mn><mo>,</mo><mo>−<!-- − --></mo><mn>15</mn><mo stretchy="false">)</mo><mo>,</mo><msub><mi>P</mi><mrow class="MJX-TeXAtom-ORD"><mn>1</mn></mrow></msub><mo>=</mo><mo stretchy="false">(</mo><mo>−<!-- − --></mo><mn>2</mn><mo>,</mo><mn>8</mn><mo stretchy="false">)</mo><mo>,</mo><msub><mi>P</mi><mrow class="MJX-TeXAtom-ORD"><mn>2</mn></mrow></msub><mo>=</mo><mo stretchy="false">(</mo><mo>−<!-- − --></mo><mn>1</mn><mo>,</mo><mn>4</mn><mo stretchy="false">)</mo><mo>,</mo><msub><mi>P</mi><mrow class="MJX-TeXAtom-ORD"><mn>3</mn></mrow></msub><mo>=</mo><mo stretchy="false">(</mo><mn>0</mn><mo>,</mo><mn>0</mn><mo stretchy="false">)</mo></mstyle></mrow><annotation encoding="application/x-tex">{\displaystyle P_{0}=(-3,-15),P_{1}=(-2,8),P_{2}=(-1,4),P_{3}=(0,0)}</annotation></semantics></math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a0d6cfae3c3832738a47438ca74554f9fff48de9" class="mwe-math-fallback-image-inline" aria-hidden="true" style="vertical-align: -0.838ex; width:54.749ex; height:2.843ex;" alt="{\displaystyle P_{0}=(-3,-15),P_{1}=(-2,8),P_{2}=(-1,4),P_{3}=(0,0)}"></span>, SVG C used for the continuation of the curve
<a href="//commons.wikimedia.org/wiki/User:Pd4u" title="User:Pd4u">pd4u</a>
<span class="int-own-work" lang="en">Own work</span>