A Firm Uses a Single Input to Produce Its Output

question 46

Multiple Choice

A firm uses a single input to produce its output, which is sold in a competitive market.It gets quantity discounts on purchases of its input.If it buys x units of the input, the price it must pay per unit of input is 25/x + 4.If it buys no inputs, it doesn't have to pay anything.The firm's production function is f(x) = 60x - x².If the price of the firm's output is 1, the profit-maximizing amount of input to buy is

• A)56.
• B)0.
• C)42.
• D)28.
• E)None of the above.

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Definitions:

Concentric Contraction

A type of muscle contraction where the muscle shortens while generating force, typically the upward movement in a bicep curl.

Muscle Strength

The ability of a muscle or group of muscles to exert force against resistance.

Muscle Endurance

The ability of a muscle, or group of muscles, to sustain repeated contractions or to continue applying force against a fixed object for an extended period.

Muscle Endurance

The ability of a muscle or group of muscles to repeatedly exert force against resistance for an extended period of time.