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instantaneous rate of change

Posted 9 years ago

I am trying to figure out how to key in -2r^2-r-1; -1 in the search box for instantanuous rate of change, for some reason it looks like it does not like the semi-colon, what is the best way to write that?.

Thanks

POSTED BY: Michael Chambers

I'm not sure what this means.

-2r^2-r-1; -1

Can you explain what you are trying to do? Guesing from your title, are you trying to calculate the derivative of -2r^2-r-1 at r = -1?

Here are some examples on how to do differentiation with Wolfram|Alpha:

http://www.wolframalpha.com/examples/Derivatives.html

POSTED BY: Sean Clarke
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