Simplify
- $\frac { \frac { 2 } { x + 3 } + \frac { 4 } { x + 7 } } { \frac { 3 x + 13 } { x ^ { 2 } + 10 x + 21 } }$

question 302

Multiple Choice

Simplify.
- $\frac { \frac { 2 } { x + 3 } + \frac { 4 } { x + 7 } } { \frac { 3 x + 13 } { x ^ { 2 } + 10 x + 21 } }$

• A) \(\frac { 1 } { 2 }\)
• B) 2
• C) \(3 x + 13\)
• D) 6

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Definitions:

Superstitious Behaviour

Actions linked to beliefs in supernatural causality, where one event causes another without any natural process linking the two events, often influenced by cultural or personal significance.

Partial Reinforcement

A type of learning in which a behavior is reinforced only a portion of the time it occurs, known to increase resistance to extinction.

Non-Contingent Reinforcement

A form of reinforcement where rewards are given at fixed or variable intervals independent of the recipient's behavior.

Classical Conditioning

The act of learning that happens when two stimuli are paired together repeatedly, and a reaction initially caused by the second stimulus starts to be triggered by the first stimulus exclusively.