Find the Indicated Cross Product

question 263

Multiple Choice

Find the indicated cross product.
-v = 4i + 2j + 5k, w = -5i + 2j + 4k Find w × v.

• A) -41i - 2j - 18k
• B) 2i + 41j - 18k
• C) -2i + 40j - 18k
• D) -18i - 2j + 2k

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Definitions:

Marginal Product

The additional output resulting from the use of one more unit of a particular input, holding other inputs constant.

Total Product

The total output produced by a firm or within an economy.

Average Product

The output per unit of input, such as the quantity of goods produced per worker.

Law Of Diminishing Returns

The principle that as successive increments of a variable resource are added to a fixed resource, the marginal product of the variable resource will eventually decrease.