document.write( "Question 622299: f(x)=(1)/(√(4x^2-17x+4))
\n" ); document.write( "Find the domain and express in interval notation\r
\n" ); document.write( "\n" ); document.write( "info: its 1 over the square root of the numbers listed above \n" ); document.write( "
Algebra.Com's Answer #391282 by lwsshak3(11628)\"\" \"About 
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f(x)=(1)/(√(4x^2-17x+4))
\n" ); document.write( "Find the domain and express in interval notation
\n" ); document.write( "info: its 1 over the square root of the numbers listed above
\n" ); document.write( "**
\n" ); document.write( "f(x)=(1)/(√(4x^2-17x+4))
\n" ); document.write( "=1/√(4x^2-17x+4)
\n" ); document.write( "=1/[√(4x-1)(x-4)]
\n" ); document.write( "check for values of x which makes function undefined:
\n" ); document.write( "4x-1=0
\n" ); document.write( "x≠1/4
\n" ); document.write( "or
\n" ); document.write( "x-4=0
\n" ); document.write( "x≠4
\n" ); document.write( "..
\n" ); document.write( "check for radican≥0
\n" ); document.write( "(4x-1)(x-4)≥0
\n" ); document.write( "number line
\n" ); document.write( "<..+....1/4....-......4.....+.........>\r
\n" ); document.write( "\n" ); document.write( "Domain: (-∞,1/4) U (4,∞)
\n" ); document.write( "In other words, all real numbers except x=1/4 and 4 and between x=1/4 and 4 (not including 1/4 and 4)\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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