Determine Max/Mins and Incr/Decr Intervals Using a Free Online Graph Calc (MathAS)

This video explains how to graph, adjust the window, determine the max/mins, and determine where a function is increasing or decreasing using a free online graphing calculator. https://dlippman.imathas.com/graphcalc/graphcalc.html

Ex: Find the Intervals Incr/Decr and Relative Extrema Using the First Derivative

This video explains how to use the first derivative to determine intervals for which a function is increasing or decreasing.  The  relative (local) extrema are also found.