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Determine whether the graph is that of a function by using the vertical-line test. If it is, use the graph to find

Determine whether the graph is that of a function by using the vertical-line test-example-1
User Cobey
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1 Answer

18 votes
18 votes

The graph belongs to a function, a quadratic function.

The domain is Real numbers:


(-\infty,\infty)

and the range is


\begin{gathered} y\ge-4 \\ or\text{ (-4, }\infty) \end{gathered}

User Mohamed Nuur
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2.7k points