Re: Marginal Cost derivative

You neglected to use the chain rule when you differentiated. The right side of your equation after differentiation should be . Now solve for by dividing through by .

Re: Marginal Cost derivative

Re: Marginal Cost derivative

You are given:

Implicitly differentiating with respect to , we find:

Now, when , we have hence:

Re: Marginal Cost derivative

Quote:

Originally Posted by

**MarkFL2**
Now, when

, we have

hence:[/TEX]

Your post makes sense, but I can't see where this value of C is coming from?

Also, wouldn't ,

and not

Re: Marginal Cost derivative

Re: Marginal Cost derivative

Quote:

Originally Posted by

**MarkFL2**

Thanks so much for all the help (and patience)!

Re: Marginal Cost derivative

It takes no patience at all to help someone who shows their work/thoughts and wants to understand the problem! :)