document.write( "Question 1092119: Write the piecewise formula for the given function. \r
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Algebra.Com's Answer #706655 by Edwin McCravy(20066)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "An expression between absolute value bars is equal\r\n" );
document.write( "to the expression WITHOUT the absolute bars whenever\r\n" );
document.write( "the expression is ZERO or POSITIVE.\r\n" );
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document.write( "An expression between absolute value bars is equal\r\n" );
document.write( "to the OPPOSITE of the expression WITHOUT the absolute \r\n" );
document.write( "bars whenever what the expression is NEGATIVE.\r\n" );
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document.write( "Therefore\r\n" );
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document.write( "f(x) = |2x-1| - 5 \r\n" );
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document.write( "means: \r\n" );
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document.write( "but that is not the simplified version.\r\n" );
document.write( "We need to simplify the expressions on \r\n" );
document.write( "the left and solve the inequalities on \r\n" );
document.write( "the right:\r\n" );
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document.write( "Simplifying and solving:\r\n" );
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document.write( "(2x-1)-5    -(2x-1)-5     2x-1<0       2x-1>0   \r\n" );
document.write( " 2x-1-5      -2x+1-5        2x<1         2x>1\r\n" );
document.write( "  2x-6        -2x-4          x<1/2        x>1/2\r\n" );
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document.write( "So replacing:\r\n" );
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document.write( "Edwin
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