Exam 23: The Economics of Resources

Suppose the world demand for aluminum is about 16,800,000 tons per year and the static reserve is 100. What are the known global reserves for aluminum?

Use the following reproductive curve for a population to answer the Questions . Units are in thousands. -Estimate the sustainable yield corresponding to a population of size 20,000 remaining after the harvest.

A population grows according to a logistic growth model, with population parameter  = 2.4 and x = 0.01 for the first year. Find the value of x after the third year.

Suppose the world demand for cobalt is about 16,360,000 pounds per year and the static reserve is 110. What are the known global reserves for cobalt?

Use the following reproduction curve for a population to answer the Questions Units are in thousands. -The maximum sustainable yield is approximately:

If it takes a 100-gram sample of radioactive element Y 12 years to decay to 1 gram of element Y, how long will it take a 5-gram sample to decay to 0.5 grams?

What is the maximum population size that can be supported indefinitely by the available stream of resources?

Which of the following is NOT the characteristic of a dynamical system that exhibits chaos?

A population grows according to a logistic population model, with population parameter  = 4.1 and starting population fraction x = 0.72 for the first year. The value of x after the second year is:

Refer to the iterated function system based on the following function to solve the questions : $f ( n ) = \left\{ \begin{array} { l l } 3 n + 1 & \text { if } n \text { is odd } \\n / 2 & \text { if } n \text { is even }\end{array} \right.$ -If the first term of the sequence is 3, what is the fourth term?

Use the following reproduction curve for a population to answer the Questions Units are in thousands. -A population equilibrium corresponds to:

Suppose the world demand for silver is about 343,750,000 troy ounces per year. The known global reserves are 5,500,000,000 troy ounces. The demand for silver is increasing at a rate of 2.7%. What is the exponential reserve for silver?

Suppose the world demand for iron is about 420,000,000 tons per year and the static reserve is 238. However, the demand for iron is increasing at a rate of 1.8%. What is the exponential reserve for iron?

Suppose the world demand for aluminum is about 16,800,000 tons per year. The known global reserves are 1,700,000,000 tons. What is the static reserve for aluminum?

Suppose the world demand for aluminum is about 16,800,000 tons per year. The known global reserves are 1,700,000,000 tons. The demand for aluminum is increasing at a rate of 6.4%. What is the exponential reserve for aluminum?

The population of British Columbia in 1997 was about 3,959,700. In 2001, the population was about 4,095,900. What was the average growth rate over that period?

Suppose the world demand for copper is about 8,600,000 tons per year and the static reserve is about 36. What are the known global reserves for copper?

Refer to the iterated function system based on the following function to solve the questions : $f ( n ) = \left\{ \begin{array} { l l } 3 n + 1 & \text { if } n \text { is odd } \\n / 2 & \text { if } n \text { is even }\end{array} \right.$ -If the first term of the sequence is $2 ^ { m }$ , what is term number $m + 1 ?$ A)1 B)2 C)4 D)6

Suppose the world demand for zinc is about 5,000,000 tons per year. The known global reserves are 123,000,000 tons. The demand for zinc is increasing at a rate of 2.9%. What is the exponential reserve for zinc?