Find the rate of change of 
at (1, 6) in the direction of a vector making an angle of 120° with the positive x axis.
Definitions:
Safety Mask
A protective covering worn over the face designed to filter out harmful substances from the air, preventing them from being inhaled.
Operating System
The software that manages a computer's hardware resources and provides common services for computer programs.
Power Brick
An external power supply unit for electronic devices, often bulky and resembling a brick, used to convert mains AC to low-voltage regulated DC power for electronics.
SSID Broadcasting
The process by which a wireless router advertises its network name (SSID) to nearby devices, making the network visible for connection.
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