document.write( "Question 62422: this is for college algebra graph: F(x)= -2/x-3 that is -2 over x-3: this is for college algebra graph: F(x)= -2/x-3 that is -2 over x-3
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Algebra.Com's Answer #43178 by funmath(2933)\"\" \"About 
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this is for college algebra graph:
\n" ); document.write( "\"F%28x%29=-2%2F%28x-3%29\"
\n" ); document.write( "The numerator's degree is less than the denominator, therefore the is a horizontal asymptote with the equation y=0 (that's the x-axis).
\n" ); document.write( "This rational function is undefined when the denominator=0. There is a vertical asymptote at that point.
\n" ); document.write( "x-3=0
\n" ); document.write( "x=3
\n" ); document.write( "Pick points to plot on the left and right side of the vertical asymptote.
\n" ); document.write( "Let x=1
\n" ); document.write( "\"F%281%29=-2%2F%281-3%29\"
\n" ); document.write( "\"F%281%29=-2%2F-2\"
\n" ); document.write( "\"F%281%29=1\" Plot (1,1)
\n" ); document.write( "Let x=2
\n" ); document.write( "\"F%282%29=-2%2F%282-3%29\"
\n" ); document.write( "\"F%282%29=-2%2F-1\"
\n" ); document.write( "\"F%282%29=2\" Plot (2,2) Now you know what it's doing of the left side of the asymptote x=3.
\n" ); document.write( "Let x=4
\n" ); document.write( "\"F%284%29=-2%2F%284-3%29\"
\n" ); document.write( "\"F%284%29=-2%2F1\"
\n" ); document.write( "\"f%284%29=-2\" Plot (4,-2)
\n" ); document.write( "Let x=5
\n" ); document.write( "\"F%285%29=-2%2F%285-3%29\"
\n" ); document.write( "\"F%285%29=-2%2F2\"
\n" ); document.write( "\"F%285%29=-1\" Plot (5,-1) Now you know what the graph is doing on the right side.
\n" ); document.write( "This program draws in the vertical asymptote, remember that it should be dashed and is not actually part of the graph.
\n" ); document.write( "\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-2%2F%28x-3%29%29\"
\n" ); document.write( "Happy Calculating!!!
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