<p>Let us summarize and consolidate the concept related to functions using an 'egg' diagram:</p>
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<ul class="bullet-list"><li><div class="list-item-paragraph">\(f\) : the name of the function</div></li><li><div class="list-item-paragraph">\(f(x)\) : the image of \(x\) under \(f\)</div></li><li><div class="list-item-paragraph">\(A\) : the domain of \(f\), also denoted by \(D_f\)</div></li><li><div class="list-item-paragraph">\(B\) : the codomain of \(f\), we do not have a notation for this one.</div></li></ul>

Let us summarize and consolidate the concept related to functions using an 'egg' diagram:

\(f(x)\) : the image of \(x\) under \(f\)

\(A\) : the domain of \(f\), also denoted by \(D_f\)

\(B\) : the codomain of \(f\), we do not have a notation for this one.

Functions

International Baccalaureate Higher Level Mathematics

Diagrammatic depiction of a function

Diagrammatic depiction of a function