document.write( "Question 201556: Evaluate the function.\r
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document.write( "Given that f(x) = (1)/(4-8x) , find f(r - 3).
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document.write( " A) (1)/(1-8r)
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document.write( " B) (1)/(28-8r)
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document.write( " C) (1)/(28+b)
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document.write( " D) (1)/(r-3-8x)
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Algebra.Com's Answer #151875 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! f(x) = 1/(4-8x) \n" ); document.write( ". \n" ); document.write( "f(r-3) = 1/ { 4-8(r-3) } \n" ); document.write( ". \n" ); document.write( "f(r-3 = 1/ (4-8r+24) \n" ); document.write( ". \n" ); document.write( "f(r-3) = 1/ (28 -8r),,,,,,or B \n" ); document.write( " |