if f is defined on with f(x)=x^2-2x-24(x)^0.5 for x>=0 a) find 1st derivative of f, b) find second derivative of f, c) Verify that function f has a stationary point when x = 4 (c) Determine the type stationary point.
a) f'(x)=2x-2-12x1/2B)f'(x)=2+6x-3/2c)f'(4)=0d) local minimum
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