Add and Subtract Rational Expressions
- $$\frac { x - 4 } { x - 7 } - \frac { 2 x - 2 } { x - 7 }$$

question 74

Multiple Choice

Add and Subtract Rational Expressions
- $$\frac { x - 4 } { x - 7 } - \frac { 2 x - 2 } { x - 7 }$$

• A) \(- \frac { x + 2 } { x - 7 }\)
• B) \(\frac { x - 2 } { x - 7 }\)
• C) \(\frac { x + 2 } { x - 7 }\)
• D) \(- \frac { x - 2 } { x - 7 }\)

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Definitions:

Customers' Preference

The inclination or predisposition of consumers towards certain products, services, or brands over others.

Blocking

A method used in experimental design to minimize the effects of nuisance variables by grouping units with similar characteristics.

Random Assignment

An experimental technique for assigning individuals to different groups in a study using randomization, ensuring that each participant has an equal chance of being assigned to any group.

Placebo

A safe medication or treatment recommended primarily for its mental comfort to the patient rather than its physical health benefits.