Posted by **piper** on Thursday, April 8, 2010 at 11:05am.

The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by

C= (a/q) + b

where a and b are positive constants

a.Find the rate of change of C as q increases. What are its units?

b. Currently, 5000 phones are being made and production is increasing at a rate of 100 cell phones per week. How fast is the average cost changing if a = 200000? Is the average cost increasing or decreasing?

## Answer This Question

## Related Questions

- math - The average cost per item, C, in dollars, of manufacturing a quantity q ...
- math Please help me with part b - The average cost per item, C, in dollars, of ...
- math - The average cost of manufacturing a quantity q of a good, is defined to ...
- math/economics in calculus - The average cost of manufacturing a quantity q of a...
- Algebra - 83. Minimizing Marginal Cost The marginal cost of a product can be ...
- college algebra - suppose the revenue in dollars from selling x cell phones is R...
- math - The function gives the cost to manufacture x items. C(x) = 20,000 + 5x &#...
- math - In a factory of electronic items, the total cost of production, expressed...
- calc - Suppose the total cost, C(q), of producing a quantity q of a product is ...
- math - Suppose the cost C(q) (in dollars) of producing a quantity q of a product...

More Related Questions