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January 25, 2015

January 25, 2015

Posted by **lana** on Tuesday, June 16, 2009 at 2:00pm.

- calculus -
**drwls**, Tuesday, June 16, 2009 at 2:41pmThe maximum is where the first derivative is zero, provided the second derivative is negative there.

Solve the equation

f'(x) = -x^2 +6x -5 = 0

-(x-5)(x-1) = 0

x = 5 and x = 1 are either maxima or minima. Use the second derivative test to see which is which.

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