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January 29, 2015

January 29, 2015

Posted by **Jess** on Saturday, October 19, 2013 at 1:09pm.

p = g(x) = 12960 - 0.1x^2

I am really stuck on this question and don't know how to start, could someone please show me?

- Math - Limits/Derivatives -
**Steve**, Saturday, October 19, 2013 at 3:30pmyou have to remember that inelastic means that E(x) > 0

(I think)

E(x) = -[(12960-.1x^2)/(-.2x^2)]

= 64800/x^2 - .5

E(x) > 0 means x < 360

That sound familiar? Or am I way off base here?

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