INCREASING AND DECREASING FUNCTION || APPLICATION OF DERIVATIVE || FIRST DERIVATIVE TEST

A fundamental introduction to increasing and decreasing functions is given in this calculus video tutorial. This video shows how to find the intervals when functions are increasing and decreasing using a sign chart and the first derivative test. It also shows how to use an interval notation to describe the result using a number line. Anytime the first derivative is positive or more than zero, the function is rising(increasing) while when the first derivative is negative or less than zero, then the function is falling (decreasing).
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• HOW TO FIND THE EQUATI...