Posted by **Carl** on Monday, October 13, 2008 at 6:46pm.

C(x) = 16x^(1/2) + x^2/1000

Find x to meet the minimum cost

- Calculus -
**Reiny**, Monday, October 13, 2008 at 6:56pm
Find the derivative, set equal to zero and solve for x

find C(x)

- Calculus -
**Damon**, Monday, October 13, 2008 at 6:56pm
at x = 0

I think you have a typo probably.

As shown this function starts at zero and keeps getting bigger forever.

Did you leave a negative sign out?

- Calculus -
**Carl**, Monday, October 13, 2008 at 6:57pm
No, there's no typo. That's what I can't figure this out. I put zero and it's wrong.

- Calculus -
**Damon**, Monday, October 13, 2008 at 7:02pm
Beats me Carl.

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