document.write( "Question 855568: Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -3x2 + 5x + 5 \n" ); document.write( "
Algebra.Com's Answer #515434 by harpazo(655)\"\" \"About 
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This question is incomplete. Select the x-coordinate of the vertex of the parabola to do what exactly? \n" ); document.write( "
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