document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169949>Question 169949</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is a word problem on a worksheet that I've been given.\r<BR>\n" );
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document.write( "Katy likes to catch butterflies. The equation b = -2(x-4)^2 + 25 models this habit, where b is the number of butterflies caught for the hour and x is the number of hours after she started catching. After how many hours will Katy catch the maximum amount?\r<BR>\n" );
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document.write( "I am stumped on this question. I don't even know where to start... <BR>\n" );
document.write( "Please help, thanks.\r<BR>\n" );
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document.write( "I also have some questions on a form of quadratic function. I've only done quadratic functions that are in the form y= ax^2 + bx + c. So I'm not quite sure on these 3 multiple choice questions.\r<BR>\n" );
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document.write( "Here is the information:\r<BR>\n" );
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document.write( "One form of a quadratic function is f(x) = a(x-b)^2 + c.\r<BR>\n" );
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document.write( "Here are the questions:\r<BR>\n" );
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document.write( "1. If you wanted to shift the graph of the function up, what would you do?<BR>\n" );
document.write( "A. increase a<BR>\n" );
document.write( "B. decrease b<BR>\n" );
document.write( "C. increase c<BR>\n" );
document.write( "D. decrease a\r<BR>\n" );
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document.write( "2. If you wanted to shift the graph of the function left what would you do?<BR>\n" );
document.write( "A. increase b<BR>\n" );
document.write( "B. decrease b<BR>\n" );
document.write( "C. increase c<BR>\n" );
document.write( "D. decrease a\r<BR>\n" );
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document.write( "3. If you wanted to make the parabola wider, what would you do?<BR>\n" );
document.write( "A. increase a<BR>\n" );
document.write( "B. decrease b<BR>\n" );
document.write( "C. increase c<BR>\n" );
document.write( "D. decrease a\r<BR>\n" );
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document.write( "***Note: \r<BR>\n" );
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document.write( "For question 1 I chose letter c.<BR>\n" );
document.write( "For question 2 I chose letter a.<BR>\n" );
document.write( "For question 3 I chose letter d. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #125410 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=125410\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a word problem on a worksheet that I've been given. <BR>\n" );
document.write( "Katy likes to catch butterflies. The equation b = -2(x-4)^2 + 25 models this habit, where b is the number of butterflies caught for the hour and x is the number of hours after she started catching. After how many hours will Katy catch the maximum amount? <BR>\n" );
document.write( "I am stumped on this question. I don't even know where to start... <BR>\n" );
document.write( "Please help, thanks.<BR>\n" );
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document.write( "Your equation shows the vertex form of the quadratic.  When x = 4, b=25<BR>\n" );
document.write( "and that is the vertex of the prabola which opens downward from that point.<BR>\n" );
document.write( "The maximum b-value occurs when x = 4<BR>\n" );
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document.write( "I also have some questions on a form of quadratic function. I've only done quadratic functions that are in the form y= ax^2 + bx + c. So I'm not quite sure on these 3 multiple choice questions. \r<BR>\n" );
document.write( "\n" );
document.write( "Here is the information: <BR>\n" );
document.write( "One form of a quadratic function is f(x) = a(x-b)^2 + c. \r<BR>\n" );
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document.write( "Here are the questions: <BR>\n" );
document.write( "1. If you wanted to shift the graph of the function up, what would you do?<BR>\n" );
document.write( "A. increase a<BR>\n" );
document.write( "B. decrease b<BR>\n" );
document.write( "Ans: C. increase c<BR>\n" );
document.write( "D. decrease a <BR>\n" );
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document.write( "2. If you wanted to shift the graph of the function left what would you do?<BR>\n" );
document.write( "A. increase b<BR>\n" );
document.write( "Ans: B. decrease b<BR>\n" );
document.write( "C. increase c<BR>\n" );
document.write( "D. decrease a<BR>\n" );
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document.write( "3. If you wanted to make the parabola wider, what would you do?<BR>\n" );
document.write( "Ans: A. increase a<BR>\n" );
document.write( "B. decrease b<BR>\n" );
document.write( "C. increase c<BR>\n" );
document.write( "D. decrease a <BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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