Find the Domain of the Function $f ( x ) = \frac { x + 1 } { x ^ { 2 } + 1 }$

question 2

Essay

Find the domain of the function $f ( x ) = \frac { x + 1 } { x ^ { 2 } + 1 }$ .

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Definitions:

Brand Extension

The strategy of using an established brand name to launch a new or modified product in a different category.

Bic Brand Name

A well-known brand that specializes in making disposable consumer products such as lighters, razors, and pens.

Innovation Strategy

An approach a company takes to encourage new ideas, creative thinking, and new project developments to gain a competitive advantage.

Product Line Extension

The practice of expanding an existing product line by adding new variants, flavors, sizes, or features to the same brand.