Find the Sum of the Series $$\sum _ { k = 2 } ^ { 4 } k ( k + 2 )$$

question 26

Multiple Choice

Find the sum of the series.
- $$\sum _ { k = 2 } ^ { 4 } k ( k + 2 )$$

• A) 24
• B) 47
• C) 32
• D) 50

---

Definitions:

Physical Punishment

The application of physical power aimed at making someone feel pain, without causing harm, in order to achieve correction or manage behavior.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens a behavior’s occurrence.

Omission Training

A method in behavioral psychology where a desirable outcome is removed following unwanted behavior, as a form of negative punishment.

Extinction

In behavioral psychology, the gradual decrease and eventual disappearance of a conditioned response when it is no longer reinforced.