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4*exp(-5x^2)-0.0205*x+0.1279=0. what is x

 Oct 25, 2014
 #1
avatar+23254 
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Upon graphing, there is a zero at x = 6.239 (approximately).

 Oct 25, 2014
 #2
avatar+118703 
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I don't understand the question

What is 

4*exp(-5x^2)

 Oct 26, 2014

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