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Okay, so then because C defines x implicitly, we'll be looking for implicit derivatives, right? So with that, I get my marginal cost to be c'= (2x + 50/√x)/2c And then from there, I would plug in my x=5 But I'm thinking that equation might be wrong? Because what would I do with the 2c...

Homework Statement For a certain product, cost C and revenue R are implicitly given as follows, where x is the number of units sold (in hundreds) a) Find and interpret the marginal cost dC/dx at x=5 b) Find and interpret the marginal revenue dR/dx at x=5Homework Equations C2 = x2+100√x +50...