document.write( "Question 630632: Find the maximum y value on the graph of y=f(x)
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document.write( "f(x)=-x^2+8x+1 \n" );
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Algebra.Com's Answer #397056 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the maximum y value on the graph of y=f(x) \n" ); document.write( "f(x)=-x^2+8x+1 \n" ); document.write( "--- \n" ); document.write( "Max occures when x = -b/(2a) = -8/(2*-1) = 4 \n" ); document.write( "--- \n" ); document.write( "Max y-value = f(4) = -4^2+8*4+1 = -16 + 32 + 1 = 17 \n" ); document.write( "-------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |