document.write( "Question 898961: Find the domain of the function algebraically f(x)= square root( x^4-16x^2)\r
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\n" ); document.write( "x^4-16x^2 > or equal to 0
\n" ); document.write( "x^2(x^2-16) > or equal to 0
\n" ); document.write( "x^2(x-4)(x+4) > or equal to 0 \n" ); document.write( "

Algebra.Com's Answer #545077 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "Find the domain of the function algebraically f(x)= square root( x^4-16x^2)\r
\n" ); document.write( "\n" ); document.write( "Work:
\n" ); document.write( "x^4-16x^2 > or equal to 0
\n" ); document.write( "x^2(x^2-16) > or equal to 0
\n" ); document.write( "x^2(x-4)(x+4) > or equal to 0
\n" ); document.write( "


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document.write( "That is the CORRECT work!!
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document.write( "At this stage: , the CRITICAL POINTS are:
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document.write( "Based on the critical points, the points and intervals that are solutions to the inequality are:
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