Solve the problem.The following table shows the population (in thousands) of Anytown, USA. YEAR POPULATION 1950 120 1960 100 1970 90 1980 105 1990 130 2000 160Use a graphing calculator to fit a quadratic function f(x) to the data. Use this equation to predict the population in the year 2010.
A. 195,000
B. 213,000
C. 190,000
D. 2,093,000
Answer: B
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At age 25 you start to work and are offered two retirement options.
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Retirement option 1: When you retire, you receive a lump sum of $25,000 for each year of service.
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Retirement option 2: When you start to work, the company will deposit $10,000 into an account that pays a yearly compound interest rate of 13%.
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A: Write a formula that gives your retirement payment 
, in dollars, if you retire after t years of service under retirement option 1.
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B: Write a formula that gives your retirement payment 
, in dollars, if you retire after t years of service under retirement option 2.
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C: Make a graph that shows the retirement payment for each option over the 40 years of service.
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D: How many years of service will result in the same payment from either option? (You will work more than 1 year.) Round your answer to two decimal places if necessary.
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What will be an ideal response?
Use a tree diagram to find the indicated probability.3.9% of a secluded island tribe are infected with a certain disease. There is a test for the disease, however the test is not completely accurate. 92% of those who have the disease will test positive. However 4.4% of those who do not have the disease will also test positive (false positives). What is the probability that any given person will test positive? Round your answer to three decimal places if necessary.
A. 0.036 B. 0.042 C. 0.078 D. 0.482
Solve the equation.
= 4
A. 0, -4 B. -4 C. no solution D. 0, 4
Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 