An Efficiency Study of the Morning Shift at a Certain $f ( x ) = - x ^ { 3 } + 5 x ^ { 2 } + 16 x$

question 20

Multiple Choice

An efficiency study of the morning shift at a certain factory indicates that an average worker who arrives on the job at 8:00 A.M.will have assembled $f ( x ) = - x ^ { 3 } + 5 x ^ { 2 } + 16 x$ transistor radios x hours later.How many radios will such a worker assemble between 10:00 and 11:00 A.M.?

• A)18
• B)20
• C)22
• D)15

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Definitions:

Cash Operating Costs

The expenses directly associated with the day-to-day operations of a business, excluding non-cash items like depreciation.

Payback Period

The duration of time it takes for an investment to generate cash flows sufficient to recover its initial cost.

Discount Rate

The discount rate that's critical in the process of valuing future cash flows today, within the framework of discounted cash flow analysis.

Net Present Value

A financial metric used to evaluate the profitability of an investment, calculated by subtracting the present value of cash outflows from the present value of cash inflows.