Assume the Rate of Change in the Height H of a Tree

question 30

Multiple Choice

Assume the rate of change in the height h of a tree with respect to its age a is inversely proportional to the tree's height (with a proportionality constant of one) . If the tree is 23 feet tall at age 21, how tall was the tree at age 5? Round your answer to the nearest foot.

• A) 2 feet
• B) 3 feet
• C) 10 feet
• D) 22 feet
• E) 21 feet

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Definitions:

Fibromyalgia

Disorder associated with chronic, widespread pain; cause is not currently known.

Osteoarthritis

A degenerative joint disease characterized by the breakdown of cartilage and underlying bone, leading to pain and stiffness.

Rheumatoid Arthritis

A chronic inflammatory disorder affecting joints, leading to pain, swelling, and potential joint deformity.

Fast-Twitch Fibers

A type of muscle fiber that contracts quickly and is used in short bursts of high-intensity activities, but tires more easily than slow-twitch fibers.