Exercises G f p 1. The amount of garbage, G, produced by a city with population p is given by ( ) . G is measured in tons per week, and p is measured in thousands of people. a. The town of Tola has a population of 40,000 and produces 13 tons of garbage each week. Express this information in terms of the function f. b. Explain the meaning of the statement f 5 2 . 2. The number of cubic yards of dirt, D, needed to cover a garden with area a square feet is given by D ga ( ) . a. A garden with area 5000 ft2 requires 50 cubic yards of dirt. Express this information in terms of the function g. b. Explain the meaning of the statement 3. Let () f t g 100 1 . be the number of ducks in a lake t years after 1990. Explain the meaning of each statement: a. f 5 30 4. Let () ht h b. f 10 40 be the height above ground, in feet, of a rocket t seconds after launching. Explain the meaning of each statement: a. 1 200 b. h 2