Growth of Functions

Which of these functions grows fastest? Which is next? Put them in order by speed of growth.

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x, ln x, x^2, x^x, x!, e^x, sqrt(x)

Hints:
1. Hold down CTRL and use the scroll wheel on your mouse to zoom in and out.
2. Right click, choose x-axis:y-axis, and change from 1:1 to 1:50 to get a better view of the fastest growing functions.

Jason McCullough, September 22, 2009, Created with GeoGebra