Graphing of Derivatives
Here are a few sites to help you learn how to graph derivatives:
Practice Drawing Derivatives - this site is really neat, because you can draw online and check if your answer is correct immediately.
Exercises - here are some paper based exercises that require you to make use of your graphing calculator.
Exercises: more exercises that help you practise using your calculator.
Calculus - this is an excellent calculus site, covering material for students being introduced to calculus. Lots on limits, derivatites and integration.
Calculus Course - this is from a University Calculus course. But it's not daunting. Try it - it's actually pretty general.
Online graphing tool - check this tool out. It graphs functions and their derivatives for you.
The first chef
First came fire ... and then, as the camera shifts to the soon to be late-village idiot, you're left wondering -- just what was going through that mind -- and food is put on the fire, for the first time, and cooking is accidentally discovered by humanity. The first chef is ridiculed by grunts, then the local thug tries a sample of the burnt carcass, and soon, everybody gets queued at the McDonalds drive-thru. What happened? Richard Wrangham of Harvard believes there's more to cooking than evolutionary history would have you believe. Wrangham points out that there is no way homo sapiens could survive on just raw food. Raw food just doesn't give up calories as easily as cooked food -- and raw food makes the digestive system expend more energy to get at those calories. Cooking on the other hand breaks complex molecules down, allowing the digestive system to make easy work of them -- and cooking also softens food, allowing the body to get to the calories with less effort...
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