Visualizing Domain and Range

Domain and range graph

The graph of $f(x)=x^2$ (red) has the same domain (input values) as the graph of $f(x)=-\frac{1}{12}x^3$ (blue) since all real numbers can be input values. However, the range of the red graph is restricted to only $f(x)\geq0$, or $y$-values above or equal to $0$. The range of the blue graph is all real numbers, $\mathbb{R}$.

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"Original figure by Julien Coyne. Licensed CC BY-SA 4.0."

Julien Coyne CC BY-SA 3.0.

Visualizing Domain and Range

Domain and range graph

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