document.write( "Question 67676This question is from textbook Algebra 2
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document.write( ": Graph Each Function and give the approximate coordinates of the vertex.\r
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document.write( "41. f(x)=x^2-x+9 \n" );
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Algebra.Com's Answer #48163 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! f(x)=x^2-x+9 \n" ); document.write( "x=-(A/B) [formula for the x-value of the vertex] \n" ); document.write( "x=-(1/-1)=1 \n" ); document.write( "f(x)=(1)^2-(1)+9 [plug-in x=1 and solve for f(x) or y] \n" ); document.write( "f(1)=1-1+9 \n" ); document.write( "f(1)=9 \n" ); document.write( "So, the vertex is (1, 9)\r \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( "Graphing: \n" ); document.write( " |