We have two critical points, so we need to analyze the sign of the derivative on three intervals. First we need a number x<-â2. We can take x=-3/2=-1.5. Remember that the square root of two
Step 1: Finding To find the relative extremum points of , we must use . So we start with differentiating : [Show Step 2: Finding all critical points and all points where is undefined. The
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The First Derivative Test states that if we are given a continuous and differentiable function f, and c is a critical number of function f, then f (c) can be classified as follows: If fâ (x)
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The first derivative test is a way to find if a critical point of a continuous function is a relative minimum or maximum. Simply, if the first derivative is negative to the left of the critical point