Decide Whether the Composite Functions, F ∘ G and G

question 163

Multiple Choice

Decide whether the composite functions, f ∘ g and g ∘ f, are equal to x.
-f(x) = , g(x) = x

• A)No, no
• B)No, yes
• C)Yes, no
• D)Yes, yes

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Definitions:

A/C System

Air Conditioning System, a system for controlling the humidity, ventilation, and temperature in a vehicle or building.

Boil Point

The temperature at which a liquid turns to vapor.

Pressure Relief Valve

A pressure-limiting device that trips at a predetermined pressure to define circuit pressure or act as a safety device. A safety pop-off valve is one type of pressure relief valve.

High-Pressure Cut-Off Switch

A safety feature in systems that automatically stops the system when the pressure exceeds a predefined limit to prevent damage.