Question: 1 () Let y = - . 2+1 Find the values of x for which y is increasing most rapidly, and decreasing most rapidly.

1 () Let y = - . 2+1 Find the values of

1 () Let y = - . 2+1 Find the values of x for which y is increasing most rapidly, and decreasing most rapidly. You may use the following derivatives: 2x y' (x) = 2(3x - 1) and (x + 1)' y" (x) = - (x + 1) B= is where y is increasing most rapidly. = is where y is decreasing most rapidly.

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