Find the Indicated Product $\left( x ^ { k } - 8 \right) \left( x ^ { k } + 8 \right)$

question 216

Multiple Choice

Find the indicated product. Assume the variable that appears as exponent represents positive integer. $\left( x ^ { k } - 8 \right) \left( x ^ { k } + 8 \right)$

• A) \(x ^ { k ^ { 2 } } - 64\)
• B) \(x ^ { 2 k } - 64\)
• C) \(x ^ { 2 k } + 64\)
• D) \(x ^ { 2 ^ { k } } - 64\)
• E) \(x ^ { k ^ { 2 } } + 64\)

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Definitions:

Net Present Value

A method used in capital budgeting to assess the profitability of an investment or project, calculated by discounting the expected future cash flows to their present values and subtracting the initial investment.

Present Value

The immediate value of a future amount of money or a series of payments, discounted at a given rate of return.

Compound Interest

Interest calculated on the initial principal and also on the accumulated interest of previous periods.

Required Rate

The minimum acceptable return on an investment or project, often used in capital budgeting.