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The amount of fish caught per week on a trawler is a function of the crew size assigned to operate the boat. Basted on past data, the following production schedule was developed:

Crew Size Amount of fish caught
(Number of men) per week (hundreds of pounds)

2 3
3 6
4 11
5 19
6 24
7 28
8 31
9 33
10 34
11 34
12 33

a. Over what ranges of workers are there (I) increasing, (ii) constant, (iii) decreasing, and (iv) negative returns?
b. How large a crew should be used if the trawler owner is interested in maximizing the total amount o f fish caught?
c. How large a crew should be used if the trawler owner is interested in maximizing the average amount of fish caught per person?

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a. Over what ranges of workers are there (I) increasing, (ii) constant, (iii) decreasing, and (iv) negative returns?
b. How large a crew should be used if the trawler owner is interested in maximizing the total amount o f fish caught?
c. How large a crew should be used if the trawler owner is interested in maximizing the average amount of fish caught per person?

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