The Radius of a Circle Is Increasing at a Rate

question 116

Multiple Choice

The radius of a circle is increasing at a rate of 6 ft/min. At what rate is its area changing when the radius is 7 ft? ​

• A) sq ft/min
• B) sq ft/min
• C) sq ft/min
• D) sq ft/min
• E) sq ft/min

---

Definitions:

Clogged Breather

A condition where the vent on a gearbox or engine component is blocked, preventing the normal escape of air and pressure.

Allison Dipstick

A tool designed by Allison Transmission for measuring the fluid level in the transmission system, ensuring proper operation.

Oil Level

The height of oil within a container or system, crucial for ensuring proper lubrication and function of machinery or engines.

Hydromechanical Transmission

Hydromechanical transmission combines hydraulic and mechanical components to transmit power from an engine to the wheels of a vehicle, offering variable speed and torque.