Simplify
- $\frac { \frac { 3 } { x } + 7 } { \frac { 9 } { x ^ { 2 } } - 49 }$

question 35

Multiple Choice

Simplify.
- $\frac { \frac { 3 } { x } + 7 } { \frac { 9 } { x ^ { 2 } } - 49 }$

• A) \(\frac { x } { 3 - 7 x }\)
• B) \(\frac { x } { 3 x - 7 }\)
• C) \(\frac { 1 } { 3 x - 7 }\)
• D) \(\frac { 1 } { 3 - 7 x }\)

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Definitions:

Mental Speed

A cognitive ability that refers to how quickly an individual can process information, often measured by tasks requiring rapid decision making.

Inspection Time

The minimum time necessary to distinguish between two stimuli based on brief presentations.

Task Representation

The mental depiction and understanding of the tasks one is attempting to perform.

Task Concept

The understanding or model a person has about a specific task, including its goals, procedures, and outcomes.