document.write( "Question 190133This question is from textbook Elementary and intermediate algebra
\n" ); document.write( ": In a study of worker efficiency at Wong Laboratories it was found that the number of components assembled per hour by the average worket t hours after starting work could be modeled by the formula
\n" ); document.write( "N(t)= -3t^3 + 23r^2 + 8t
\n" ); document.write( "a. Rewrite the formula by factoring the right-hand side completely.
\n" ); document.write( "b. Use the factored version of the formula to find N(3).
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In a study of worker efficiency at Wong Laboratories it was found that the number of components assembled per hour by the average worket t hours after starting work could be modeled by the formula
\n" ); document.write( "N(t)= -3t^3 + 23t^2 + 8t
\n" ); document.write( "a. Rewrite the formula by factoring the right-hand side completely.
\n" ); document.write( "N(t)= -3t^3 + 23t^2 + 8t
\n" ); document.write( "N(t)= (-t)(3t^2 - 23t - 8)
\n" ); document.write( "N(t)= (-t)(3t+1)(t-8)\r
\n" ); document.write( "\n" ); document.write( "b. Use the factored version of the formula to find N(3).
\n" ); document.write( "N(t)= (-t)(3t+1)(t-8)
\n" ); document.write( "N(3)= (-3)(3(3)+1)(3-8)
\n" ); document.write( "N(3)= (-3)(9+1)(-5)
\n" ); document.write( "N(3)= (-3)(10)(-5)
\n" ); document.write( "N(3)= (15)(10)
\n" ); document.write( "N(3)= 150\r
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