Explain Why the Following Statement Is True $$3 + 6 + 9 + \cdots + 3 n \text { is } O \left( n ^ { 2 } \right)$$

question 4

Essay

Explain why the following statement is true. (You may use the theorem on polynomial orders.) $$3 + 6 + 9 + \cdots + 3 n \text { is } O \left( n ^ { 2 } \right)$$

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Definitions:

Body Alignment

The optimal placement of body parts so that the bones and joints are in correct anatomical position, minimizing stress and strain on the musculoskeletal system.

Centre of Gravity

The point in a body or system around which its mass or weight is evenly distributed or balanced.

Base of Support

The area beneath an object or person that includes every point of contact that the object or person makes with the supporting surface, essential for stability.

Drawsheets

Small bed linens placed crosswise over the middle of the bottom sheet to assist in repositioning or lifting a patient in bed.