document.write( "Question 249030: \r
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document.write( "a)Concave UP or DOWN
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document.write( "b)Axis of symmetry
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document.write( "c)Coordinates of Vertx \n" );
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Algebra.Com's Answer #181436 by edjones(8007) You can put this solution on YOUR website! f(x) = 11(x-5)^2 +7 \n" ); document.write( "=11(x^2-10x+25)+7 \n" ); document.write( "=11x^2-110x+275+7 \n" ); document.write( "=11x^2-110x+282 \n" ); document.write( "a=11, b=-110, c=282 \n" ); document.write( "It has a minimum because a is positive. \n" ); document.write( "axis of symmetry: x =-b/2a = 110/22 = 5 \n" ); document.write( "y=11(5-5)^2 +7 =7 \n" ); document.write( "coordinates of the vertex (5,7) \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( ". \n" ); document.write( " |