document.write( "Question 637879: If F(a) = (6 - 8a) / (6a + 9)
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document.write( "Then F(3) is:
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document.write( "Select one:\r
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document.write( " -2/3
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document.write( " 2/3
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document.write( " -3/2
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document.write( " 3/2 \n" );
document.write( "
Algebra.Com's Answer #402040 by josh_jordan(263)![]() ![]() You can put this solution on YOUR website! To solve, substitute 3 for a:\r \n" ); document.write( "\n" ); document.write( "(6-8*3)/(6*3+9)\r \n" ); document.write( "\n" ); document.write( "Using the order of operations, we would first simplify each set of parenthesis:\r \n" ); document.write( "\n" ); document.write( "(6-24)/(18+9)=-18/27\r \n" ); document.write( "\n" ); document.write( "Since 9 is a factor of both the numerator and demominator, we can divide both the numerator and denominator by 9 to reduce the fraction to lowest terms. Therefore,\r \n" ); document.write( "\n" ); document.write( "-18/27 = -2/3\r \n" ); document.write( "\n" ); document.write( "Answer: -2/3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |