Solve the problem.In one U.S. city, the quadratic function 
models the median, or average, age, y, at which men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1961, 23.5 years old
B. 1961, 50.4 years old
C. 1953, 36 years old
D. 1936, 50.4 years old
Answer: A
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Provide an appropriate response.An insurance company sells an insurance policy for $1000. If there is no claim on a policy, the company makes a profit of $1000. If there is a claim on a policy, the company faces a large loss on that policy. The expected value to the company, per policy, is $250.Which of the following statements is (are) true?A: The most likely outcome on any single policy is a profit for the company of $250.B: If the company sells only a few policies, its profit is hard to predict.C: If the company sells a large number of policies, the average profit per policy will be close to $250.
A. B only B. C only C. B and C D. A and C
Provide an appropriate response. Write the set x > -1 using interval notation.
A. (-?, -1) B. ( -1, ?) C. [ -1, ?) D. (-?, -1]
Write an equation for the parabola.
points: (-4, 2), (2, 5)
A. (x - 2)2 = 12(y + 4) B. (x + 4)2 = 12(y - 2) C. (y + 4)2 = 12(x - 2) D. (x + 2)2 = 12(y - 4)
Estimate the product by rounding as indicated.(11.184)(48.4); Round each factor to two nonzero digits.
A. 536.832 B. 528 C. 532.4 D. 5280