The derivative of the function y = f(r) is given. Find the intervals on which the function is increasing or decreasing, and find the r-coordinates of the points where local maxima or minima occur. 1. f'(z) = (r + 3) (1 + 1)(z – 5)3 3. f'(z) = sin (r) – 3 sin(z) + 2 - cos (1r), 0 >0

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A: You are correct

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