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October 24, 2014

Homework Help: Calculus--Please help.

Posted by Janet on Thursday, April 21, 2011 at 11:15pm.

I really need help, this is my second post.

Information to solve problems
Q=12L+29L^2-1.1L^3

Q= # of cars produced/year
L=# of laborers used per year for production
Each car sells for $125.
$7000 per laborer per year is cost for labor and other consumable materials.

Questions:

1. What is the max and min number of laborers possible for the production of cars? This is the domain of what function?
I really don't get the domain of what function part.

2. How many laborers would be needed to maximize the production of cars?

3. How many laborers would be needed to maximize the revenue for producing cars? What is the maximum revenue?

4. Is there a range of values of production for the cars that would be profitable? IF so, what is the range?

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