Examlex
If f(x) = sin 8x (0, /4), find the intervals where f is concave up and where f is concave down.
A/C Circuit
An alternating current (A/C) circuit, in which the flow of electric charge periodically reverses direction, typically used in household and industrial power.
Condenser
In automotive contexts, a heat exchanger component in the air conditioning system that cools and condenses refrigerant gas back into a liquid.
Retrofitting
The process of adding new technology or features to an existing system, machine, or building to improve its functionality or performance.
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