Plot of the <a href="https://en.wikipedia.org/wiki/Exponential_function" class="extiw" title="en:Exponential function">exponential function</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 y(x)=\exp(x)=e^{x}}"><semantics><mrow class="MJX-TeXAtom-ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>y</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mi>exp</mi><mo>⁡<!-- ⁡ --></mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msup><mi>e</mi><mrow class="MJX-TeXAtom-ORD"><mi>x</mi></mrow></msup></mstyle></mrow><annotation encoding="application/x-tex">{\displaystyle y(x)=\exp(x)=e^{x}}</annotation></semantics></math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cf8f2a1e84bf9b0eb17c0021988b5804a0f7db1c" class="mwe-math-fallback-image-inline" aria-hidden="true" style="vertical-align: -0.838ex; width:19.439ex; height:2.843ex;" alt="{\displaystyle y(x)=\exp(x)=e^{x}}"></span> in the interval [-5, 2]
<a href="//commons.wikimedia.org/wiki/User:Geek3" title="User:Geek3">Geek3</a>
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<span class="int-own-work" lang="en">Own work</span>