document.write( "Question 1006083: The solution set in interval notation of the inequality 16x-x^3≥0 is: \r
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document.write( "A) [-4, 4]
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document.write( "B) (-∞, -2]U[0, 4)
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document.write( "C) (-∞, 0]U[1, 4)
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document.write( "D) (-∞, 4]
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document.write( "E) (-∞, -4]U[0, 4] \n" );
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Algebra.Com's Answer #622227 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Critical x values: -4,0,4;\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "? (-infinity,-4] ? \n" ); document.write( "(-)(-)(+)>=0 \n" ); document.write( "TRUE\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "[-4,0] ? \n" ); document.write( "Try -1. \n" ); document.write( "(-1)(4-1)(4-(-1))=(-1)(3)(5)>=0 \n" ); document.write( "FALSE\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "[0,4] ? \n" ); document.write( "Try 1 \n" ); document.write( "1*(4+1)(4-1)=1*5*3>=0 \n" ); document.write( "TRUE\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "[4, infinity) ? \n" ); document.write( "5*(4+5)(4-5)=Negative>=0 \n" ); document.write( "FALSE\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solution set is (-infinity, -4] U [0,4]. \n" ); document.write( "Choice E. \n" ); document.write( " |