Solve the Problem. -A Bridge Is Built in the Shape of a Parabolic

question 47

Multiple Choice

Solve the problem.
-A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 174 feet and a maximum height of 30 feet. Find the height of the arch at 15 feet from its center.

• A) 3.6 ft
• B) 21.8 ft
• C) 0.2 ft
• D) 29.1 ft

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Definitions:

Gastrocnemius

A major muscle in the calf of the leg, involved in walking, running, and jumping.

Soleus

A powerful muscle in the calf of the leg that is involved in standing and walking, lying beneath the gastrocnemius muscle.

Sternocleidomastoid

The sternocleidomastoid is a muscle in the neck that runs from the sternum and clavicle to the mastoid process of the temporal bone, involved in head movement.

Orbicularis Oculi

A circular muscle that surrounds the eyelid, allowing it to close or blink.