document.write( "Question 366386: Maximize P=-21x+11y for the constraints \r
\n" ); document.write( "\n" ); document.write( "x is greater than or equal to zero
\n" ); document.write( "y is greater than or equal to zero
\n" ); document.write( "y is greater than or equal to 4x-4
\n" ); document.write( "y is less than or equal to x+5
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Algebra.Com's Answer #261260 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
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Solved by pluggable solver: Plot Any Inequality
Graphing function \"x%3E=0\":
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\n" ); document.write( " \"graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+x%3E=0+%29\"

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Solved by pluggable solver: Plot Any Inequality
Graphing function \"y%3E=0\":
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\n" ); document.write( " \"graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+y%3E=0+%29\"

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Solved by pluggable solver: Plot Any Inequality
Graphing function \"y%3E=4x-4\":
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\n" ); document.write( " \"graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+y%3E=4x-4+%29\"

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Solved by pluggable solver: Plot Any Inequality
Graphing function \"y%3C=x%2B5\":
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\n" ); document.write( " \"graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+y%3C=x%2B5+%29\"

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\n" ); document.write( "Find the intersection of the bounding lines and the axes.
\n" ); document.write( "\"4x-4=0\"
\n" ); document.write( "\"x=1\"
\n" ); document.write( "(\"1\",\"0\")
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\n" ); document.write( "\"x=0\"
\n" ); document.write( "\"y=5\"
\n" ); document.write( "(\"0\",\"5\")
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\n" ); document.write( "\"4x-4=x%2B5\"
\n" ); document.write( "\"3x=9\"
\n" ); document.write( "\"x=3\"
\n" ); document.write( "\"y=x%2B5=8\"
\n" ); document.write( "(\"3\",\"8\")
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\n" ); document.write( "The minimum and maximum of your function occurs at one of the vertices.
\n" ); document.write( "(\"0\",\"0\"):\"P=-21x%2B11y+=-21%280%29%2B11%280%29=0\"
\n" ); document.write( "(\"0\",\"5\"):\"P=-21x%2B11y+=-21%280%29%2B11%285%29=highlight%2855%29\"
\n" ); document.write( "(\"1\",\"0\"):\"P=-21x%2B11y+=-21%281%29%2B11%280%29=-21\"
\n" ); document.write( "(\"3\",\"8\"):\"P=-21x%2B11y+=-21%283%29%2B11%288%29=-63%2B88=25\"
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