Solve the Problem $$f ( x ) = 0.0039 x ^ { 2 } - 0.47 x + 36.46$$

question 23

Multiple Choice

Solve the problem.
-The quadratic function models the median, or average, age, y, at which U.S. men $$f ( x ) = 0.0039 x ^ { 2 } - 0.47 x + 36.46$$ 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) 1936, 50.6 years old
• B) 1960, 50.6 years old
• C) 1953, 36 years old
• D) 1960, 22.3 years old

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Definitions:

Residual Value

The expected value of an asset at the end of its useful life, typically used in the context of leasing or depreciation.

Useful Life

The estimated period over which an asset is expected to be usable by the organization.

Residual Value

The estimated salvage value of an asset at the end of its useful life, used in calculating depreciation expense.

Book Value

The net value of an asset or a company, calculated by subtracting liabilities from assets, often used to assess if a stock is under or overvalued.