Increasing and Decreasing Intervals

If the function f f is a decreasing function on an open interval I I, then the inverse function 1 f 1 f is increasing on this interval. If the functions f f and g g are increasing
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Increasing and Decreasing

The intervals where a function is increasing (or decreasing) correspond to the intervals where its derivative is positive (or negative). So if we want to find the intervals where a function

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