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Thank you!

smileysmileysmiley

 Feb 21, 2019
 #1
avatar+103689 
+1

The instantaneous rate of change at 10 seconds is the gradient of the tangent to the cruve at 10 seconds.

 

That tangent looks more like it is at 12 seconds to me but I think it is meant to be a 10 seconds. 

 

so what do you think would be a good estimate?

 Feb 21, 2019

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