Perform the Indicated Operation $\frac { x + 4 } { 9 } + \frac { 3 } { 9 }$

question 12

Multiple Choice

Perform the indicated operation. Simplify if possible.
- $\frac { x + 4 } { 9 } + \frac { 3 } { 9 }$

• A) \(\frac { x + 7 } { 9 }\)
• B) \(\frac { x + 7 } { 18 }\)
• C) \(\frac { 7 x } { 18 }\)
• D) \(\frac { 7 \mathrm { x } } { 9 }\)

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Definitions:

Cognitive Map

A mental representation of the layout of one’s environment. For example, after exploring a maze, rats act as if they have learned a cognitive map of it.

Behavioral Technology

The application of psychological principles and techniques to influence human behavior in practical, real-world settings.

Skinner

A psychologist known for his theory of operant conditioning, emphasizing the role of reinforcement in behavior modification.

Shaping

A method of operant conditioning in which successive approximations of a desired behavior are reinforced until the exact behavior is achieved.