document.write( "Question 190229: Worker efficiency. In a study of worker efficiency at Wong
\n" ); document.write( "Laboratories it was found that the number of components
\n" ); document.write( "assembled per hour by the average worker t hours after
\n" ); document.write( "starting work could be modeled by the formula
\n" ); document.write( "N(t)=3t^3+ 23^t2 + 8t.
\n" ); document.write( "a) Rewrite the formula by factoring the right-hand side
\n" ); document.write( "completely.
\n" ); document.write( "b) Use the factored version of the formula to find N(3).
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Algebra.Com's Answer #142904 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
N(t)=3t^3 + 23^t2 - 8t.
\n" ); document.write( "N(t) = t(3t^2 + 23t - 8)
\n" ); document.write( "N(t) = t(3t^2 +24t-t-8)
\n" ); document.write( "N(t) = t(3t(t+8) - (t+8))
\n" ); document.write( "N(t) = t(t+8)(3t-1)
\n" ); document.write( "================================
\n" ); document.write( "
\n" ); document.write( "a) Rewrite the formula by factoring the right-hand side
\n" ); document.write( "completely.\r
\n" ); document.write( "\n" ); document.write( "b) Use the factored version of the formula to find N(3).
\n" ); document.write( "N(3) = 3*11*8 = 264
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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