document.write( "Question 1152698: If 800 feet of fence are used to enclose a rectangular pen, the resulting area of the pen is A(x)=x(400-x), where x is the width of the pen. Is A(x) a quadratic function? What is the maximum area of the pen? What are the dimensions of the maximum pen? \n" ); document.write( "
Algebra.Com's Answer #774770 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "See the lessons\r \n" ); document.write( "\n" ); document.write( " - HOW TO complete the square to find the minimum/maximum of a quadratic function\r \n" ); document.write( "\n" ); document.write( " - Briefly on finding the minimum/maximum of a quadratic function\r \n" ); document.write( "\n" ); document.write( " - HOW TO complete the square to find the vertex of a parabola\r \n" ); document.write( "\n" ); document.write( " - Briefly on finding the vertex of a parabola\r \n" ); document.write( "\n" ); document.write( " - A rectangle with a given perimeter which has the maximal area is a square\r \n" ); document.write( "\n" ); document.write( " - A farmer planning to fence a rectangular garden to enclose the maximal area\r \n" ); document.write( "\n" ); document.write( "in this site, where similar problems were solved and explained in all details.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook under the topic \"Finding minimum/maximum of quadratic functions\". \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I \n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |