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 Apr 25 awarded Popular Question Apr 17 awarded Popular Question Jan 31 awarded Notable Question Dec 30 awarded Popular Question Oct 14 awarded Famous Question Nov 3 awarded Notable Question Sep 28 awarded Famous Question Jul 2 awarded Curious Apr 5 awarded Notable Question Mar 27 awarded Notable Question Feb 10 awarded Popular Question Dec 17 awarded Popular Question Oct 21 awarded Popular Question Oct 10 accepted Finding Revenue Function and Max Revenue Oct 10 comment Finding Revenue Function and Max Revenue Yeah I realized that after my post. Oct 10 comment Finding Revenue Function and Max Revenue Nevermind. Brain fart. I've solved them. It's $q=-70000+\frac{\sqrt{-70000^2-4*1396000}}2$ and $q=-70000-\frac{\sqrt{-70000^2-4*1396000}}2$ Which are 69800 and 20 respectively. Oct 10 comment Finding Revenue Function and Max Revenue Do I just input 40000 in place of q? Oct 10 comment Finding Revenue Function and Max Revenue I'm afraid I don't quite understand, can you be more specific? Oct 10 comment Finding Revenue Function and Max Revenue I gave it a shot and I end up with $0=q^2-70000q+1396000$, although this is unfactorable. Oct 10 asked Finding Revenue Function and Max Revenue