# Finding extrema

Steps For Finding Absolute Extrema Use the following process for finding absolute extrema of a continuous function on a closed interval [a,b]: Find all critical numbers of f in the

## Extrema of a Function

Many local extrema may be found when identifying the absolute maximum or minimum of a function. Given a function f f f and interval [a, b] [a, \, b] [a, b], the local extrema may be points

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## How to Find Local Extrema by Checking Critical Points of a

In single-variable calculus, finding the extrema of a function is quite easy. You simply set the derivative to 0 to find critical points, and use the second derivative test to judge