document.write( "Question 607126: The question is how do I find (in interval notation) the values of x for which this expressio is real.\r
\n" ); document.write( "\n" ); document.write( "Squareroote of (15-5x).\r
\n" ); document.write( "\n" ); document.write( "The anwswer seems to be any number beyond 3 will produce a real number. so the answer should be (3, infinity) correct? \n" ); document.write( "

Algebra.Com's Answer #382414 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "values of x for which this expression is real.
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document.write( "Expression in real when (15-5x) ≥ 0 or (−∞,3]
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document.write( "Note:
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document.write( " 15-5x ≥ 0
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document.write( "  15 ≥ 5x
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document.write( "   3 ≥ x \n" );
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