document.write( "Question 184005: An angry construction worker throws his wrench downward from a height of 128 feet with an initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given by \r
\n" ); document.write( "\n" ); document.write( "S(t)= -16t^-32t+128\r
\n" ); document.write( "\n" ); document.write( "A)What is the height of the wrench after 1 second?
\n" ); document.write( "B)How long does it take for the wrench to reach the ground?
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Algebra.Com's Answer #138045 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Part (A): Substitute 1 for t and then do the arithmetic.\r
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\n" ); document.write( "\n" ); document.write( "Part (B): Set the function expression equal to zero.\r
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\n" ); document.write( "\n" ); document.write( "Solve the quadratic by factoring. Exclude the extraneous negative root. The positive root is the answer.\r
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