Question 630632
Find the maximum y value on the graph of y=f(x)
f(x)=-x^2+8x+1
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Max occures when x = -b/(2a) = -8/(2*-1) = 4
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Max y-value = f(4) = -4^2+8*4+1 = -16 + 32 + 1 = 17
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Cheers,
Stan H.
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