Add Simplify, If Possible $\frac { 9 } { 9 x ^ { 2 } } + \frac { 3 } { 9 x ^ { 2 } }$

question 89

Multiple Choice

Add. Simplify, if possible.
- $\frac { 9 } { 9 x ^ { 2 } } + \frac { 3 } { 9 x ^ { 2 } }$

• A) 4
• B) \(\frac { 3 } { 4 x ^ { 2 } }\)
• C) \(\frac { 4 } { 3 x ^ { 2 } }\)
• D) \(\frac { 4 } { 3 x ^ { 4 } }\)

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Definitions:

Sampling Frame

The list or database from which a statistical sample is drawn, representing the population of interest for a particular study.

West-Coast Subscribers

Individuals or entities located on the West Coast who subscribe to a particular service, publication, or product.

National Magazine

A publication that targets a nationwide audience, often covering a wide array of topics of general interest.

Stratified Sampling

A method of sampling from a population in which the population is divided into subgroups, and samples are taken from each subgroup independently.