document.write( "Question 980034: A football is kicked into the air with an initial upward velocity of 29.4 meters per seconds. Using: h(t)=-4.9t^2+29.4t
\n" ); document.write( "a. Calculate the height after 1) 2 seconds and 2) 3 seconds
\n" ); document.write( "b. When will the ball be at its maximum height and what is the maximum height?
\n" ); document.write( "c. When will the ball hit the ground?
\n" ); document.write( "d. What is the domain and range for this function?
\n" ); document.write( "please help me with this summer packet question. Thank you!
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Algebra.Com's Answer #601269 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+h%28t%29+=+-4.9t%5E2+%2B+29.4t+\"
\n" ); document.write( "(a)
\n" ); document.write( "\"+t+=+2+\"
\n" ); document.write( "\"+h%282%29+=+-4.9%2A2%5E2+%2B+29.4%2A2+\"
\n" ); document.write( "\"+h%282%29+=+-19.6+%2B+58.8+\"
\n" ); document.write( "\"+h%282%29+=+39.2+\" m
\n" ); document.write( "-------------------
\n" ); document.write( "\"+t+=+3+\"
\n" ); document.write( "\"+h%283%29+=+-4.9%2A3%5E2+%2B+29.4%2A3+\"
\n" ); document.write( "\"+h%283%29+=+-44.1+%2B+88.2+\"
\n" ); document.write( "\"+h%283%29+=+44.1+\" m
\n" ); document.write( "------------------
\n" ); document.write( "(b)
\n" ); document.write( "The horizontal coordinate of the max height
\n" ); document.write( "is at \"+t%5Bmax%5D+=+-b%2F%282a%29+\" where
\n" ); document.write( "\"+a+=+-4.9+\"
\n" ); document.write( "\"+b+=+29.4+\"
\n" ); document.write( "---------------
\n" ); document.write( "\"+t%5Bmax%5D+=+-29.4+%2F+%28-9.8+%29+\"
\n" ); document.write( "\"+t%5Bmax%5D+=+3+\" sec
\n" ); document.write( "------------------
\n" ); document.write( "The max height is at \"+h%283%29+=+44.1+\" m
\n" ); document.write( "as already shown
\n" ); document.write( "-----------------
\n" ); document.write( "(c)
\n" ); document.write( "The ball hits the ground when \"+h%28t%29+=+0+\"
\n" ); document.write( "\"+-4.9t%5E2+%2B+29.4t++=+0+\"
\n" ); document.write( "\"+t%2A%28+-4.9t+%2B+29.4+%29+=+0+\"
\n" ); document.write( "\"+4.9t+=+29.4+\"
\n" ); document.write( "\"+t+=+6+\"
\n" ); document.write( "The ball hits the ground in 6 sec
\n" ); document.write( "------------------------------
\n" ); document.write( "(d)
\n" ); document.write( "The range is \"+0+\" to \"+44.1+\"
\n" ); document.write( "The domain is \"+0+\" to \"+6+\"
\n" ); document.write( "-----------------------------
\n" ); document.write( "Here's the plot:
\n" ); document.write( "\"+graph%28+400%2C+400%2C+-1%2C+7%2C+-5%2C+50%2C+-4.9x%5E2+%2B+29.4x+%29+\"\r
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