document.write( "Question 1085745: The height , h, in feet, of a bottle rocket is modeled by: h = -16t^2 +60t\r
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\n" ); document.write( "\n" ); document.write( "where t is the time in seconds.\r
\n" ); document.write( "\n" ); document.write( "A. Factor the expression.\r
\n" ); document.write( "\n" ); document.write( "H = -16t^2 + 60t = 4t (-4t + 15)\r
\n" ); document.write( "\n" ); document.write( "B. What is the height of the rocket after 2 seconds?\r
\n" ); document.write( "\n" ); document.write( " When t = 2\r
\n" ); document.write( "\n" ); document.write( " H = 4t(-4 times 2 + 15) = 28\r
\n" ); document.write( "\n" ); document.write( "C. What is the height of the rocket after 3.75 seconds? Explain the solution.\r
\n" ); document.write( "\n" ); document.write( "When t = 3.75\r
\n" ); document.write( "\n" ); document.write( "H = 4t(-4 times 3.75 + 15) = 0\r
\n" ); document.write( "\n" ); document.write( "The Bottle Rocket should have landed after 3.75 seconds.\r
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Algebra.Com's Answer #699825 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"h+=+-16t%5E2+%2B60t\" where \"t\" is the time in seconds.\r
\n" ); document.write( "\n" ); document.write( "A. Factor the expression.\r
\n" ); document.write( "\n" ); document.write( "\"H+=+-16t%5E2+%2B+60t+=+4t+%28-4t+%2B+15%29\"\r
\n" ); document.write( "\n" ); document.write( "B. What is the height of the rocket after \"2\" seconds?
\n" ); document.write( "When \"t+=+2\"
\n" ); document.write( "\"H+=+4%2A2%28-4%2A2+%2B+15%29+=+8%28-8%2B15%29=8%287%29=56\"\r
\n" ); document.write( "\n" ); document.write( "C. What is the height of the rocket after \"3.75\" seconds? Explain the solution.
\n" ); document.write( "When \"t+=+3.75\"
\n" ); document.write( "\"H+=+4%2A3.75%28-4+%2A+3.75+%2B+15%29+=15%28-15%2B15%29=15%2A0+=0\"
\n" ); document.write( "The Bottle Rocket should have landed after \"3.75+\"seconds. \r
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