Extreme Value Theorem

Enter a function f(x) and an interval [a,b] - be sure there is no discontinuity in your interval. Try several different intervals with the same function. What do you notice about the locations of the absolute maximum and absolute minimum? To change the viewing window, hold the shift button and left-click to drag the graph or use the scroll wheel to zoom in/out. You can also adjust the axes by holding the shift button and left-click on the axis you want to change.