Domain of Square Root Function

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arl2267

Find the domain of the function f(x)= (3x+5)^1/2.

Not quite sure how to even start this...

Last edited by a moderator: Nov 20, 2012

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MarkFL

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MHB

Hint: To get a real value for the function, the radicand (expression under the radical) cannot be negative. So solve:

$\displaystyle 0\le3x+5$

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