Rate of growth: The rate of growth G in the weight of a fish is a function of the weight w of the fish. For the North Sea cod, the relationship is given by Here w is measured in pounds and G in pounds...

Rate of growth: The rate of growth G in the weight of a fish is a function of the weight w of the fish. For the North Sea cod, the relationship is given by

Here w is measured in pounds and G in pounds per year. The maximum size for a North Sea cod is about 40 pounds.

a. Make a graph of G against w.

b. Find the greatest rate of growth among all cod weighing at least 5 pounds.

c. Find the greatest rate of growth among all cod weighing at least 25 pounds.