document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=146025>Question 146025</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi!<BR>\n" );
document.write( "This is a off of my homework that I am having problems with.  I have done the work, but am unsure if I have done it correctly. Any insight and or corrections would be greatly appreciated! \r<BR>\n" );
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document.write( "7)	The path of a falling object is given by the function   where  represents the initial velocity in ft/sec and  represents the initial height in feet. \r<BR>\n" );
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document.write( "a)	If a rock is thrown upward with an initial velocity of 64 feet per second from the top of a 25-foot building, write the height (s) equation using this information.\r<BR>\n" );
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document.write( "	Typing hint:  Type t-squared as t^2<BR>\n" );
document.write( "Answer: 16t^2+64t+25\r<BR>\n" );
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document.write( "b)	How high is the rock after 1 second?<BR>\n" );
document.write( "	Answer: 105 ft.	<BR>\n" );
document.write( "	Show your work here: 16t^2+64t+25<BR>\n" );
document.write( "16(1)^2+64(1)+25	<BR>\n" );
document.write( "16(1)+64+25<BR>\n" );
document.write( "16+64+25\r<BR>\n" );
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document.write( "c)	After how many seconds will the graph reach maximum height? <BR>\n" );
document.write( "	Answer: 2<BR>\n" );
document.write( "	Show your work here:    x=-b/2a<BR>\n" );
document.write( "a=16, b=64, c=25<BR>\n" );
document.write( "x=-(64)/2(16)<BR>\n" );
document.write( "x=-64/32<BR>\n" );
document.write( "x= -2		\r<BR>\n" );
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document.write( "d)	What is the maximum height?<BR>\n" );
document.write( "	Answer:  (-2,-29)\r<BR>\n" );
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document.write( "	Show your work here:<BR>\n" );
document.write( "	y=16t^2+64t+25<BR>\n" );
document.write( "	y=16(-2)^2+64(-2)+25<BR>\n" );
document.write( "	y=16(4)-128+25<BR>\n" );
document.write( "	y=74-128+25<BR>\n" );
document.write( "	y= -29<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106577 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=106577\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Answer: 16t^2+64t+25 <BR>\n" );
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document.write( "That equation should be h(t) = -16t^2 + 64t + 25<BR>\n" );
document.write( "That negative will change some of your conclusions.<BR>\n" );
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document.write( "Why is it negative.<BR>\n" );
document.write( "That term expresses the downward effect of gravity on <BR>\n" );
document.write( "the object while it is in the air for t seconds.\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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