anonymous
  • anonymous
the maximum value of function y=-x^2+2x+1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
ok, first differentiate with respect to x: dy/dx=2x+2. Set equal to zero and solve for x, x=-1. Now check second derivative. d^2y/dx^2=2, Since the second derivative is greater than zero for all x, x = -1 has to correspond to a maximum. Now, plug in x = -1 into the original equation to obtain: (-1,0)
anonymous
  • anonymous
oops thats wrong srry
anonymous
  • anonymous
(1,2) is the answer

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