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<h2><span class="header-section-number">1.2</span> Definitions<a href="definitions.html#definitions" class="anchor-section" aria-label="Anchor link to header"></a></h2>
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<li><strong>Function:</strong> A rule assigning each input <span class="math inline">\(x\)</span> in a domain <span class="math inline">\(D\)</span> exactly one output <span class="math inline">\(f(x)\)</span> in a set <span class="math inline">\(E\)</span></li>
<li><strong>Domain:</strong> Set of all allowable inputs</li>
<li><strong>Range:</strong> Set of all possible outputs</li>
<li><strong>Independent variable:</strong> Input variable</li>
<li><strong>Dependent variable:</strong> Output variable</li>
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