Find the Specified Domain and Express It in Interval Notation $( f \cdot g )$

question 145

Multiple Choice

Find the specified domain and express it in interval notation.
-If f(x) =x-3 and g(x) =x+3 , evaluate $( f \cdot g )$ (-2) .

• A) 1
• B) -11
• C) -5
• D) 4

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Definitions:

Placoderms

A group of extinct jawed fishes.

Extinct

The state in which a species no longer exists anywhere on Earth, often due to environmental changes, predation, or human activities.

Jawless Fish

A group of fish without jaws, such as hagfish and lampreys, representing early forms of vertebrate life.

Conodonts

Extinct, simple fishlike chordates with large eyes and tooth-like hooks; may have been early vertebrates.