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# Find the Domain of the Square Root of a Linear Function

It is shown, step by step, how to find the domain of a square root function whose radicand ia s linear function. As many exmaples as necessary may be generated and the steps explained.

 Step by step solution
Graphical Meaning of Solution

Below are shown the graphs of the given function (blue) and its radicand (green). The graph of the function exist only for values of $x$ for which the radicand is positive (graph above $x$-axis).

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Change scales if necessary )

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