The Demand Equation for a Certain Brand of Metal Alloy

question 40

Multiple Choice

The demand equation for a certain brand of metal alloy audiocassette tape is , where x represents the number (in thousands) of ten-packs demanded each week when the unit price is $p. How fast is the quantity demanded increasing when the unit price/ten-pack is $16 and the selling price is dropping at the rate of $.15/ten-pack/week? Round your answer to the nearest integer.
Hint: To find the value of x when p = 16, solve the equation for x when p = 16.

• A) Increasing at the rate of 44 ten packs/wk.
• B) Increasing at the rate of 71 ten packs/wk.
• C) Increasing at the rate of 60 ten packs/wk.
• D) Increasing at the rate of 69 ten packs/wk.

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Definitions:

A Band

The dark area observed in the sarcomere of skeletal and cardiac muscle fibers, consisting of thick myosin filaments.

Connective Tissue

A type of body tissue that supports, connects, or separates different types of tissues and organs in the body.

Muscle Fibers

The elongated cells or fibers that makeup skeletal muscles, responsible for contracting and generating force.

Endomysium

A thin layer of connective tissue that surrounds each muscle fiber, providing structural support and facilitating nutrient exchange.