Let

question 85

Essay

Let .
A) Find and , if they exist.
B) Use the definition of differentiability at a point to determine whether is differentiable at the origin.

• A) Find and , if they exist.
• B) Use the definition of differentiability at a point to determine whether is differentiable at the origin.

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Definitions:

Exercise Program

A structured regimen or plan of physical activities designed to improve fitness or achieve a specific health outcome.

Attrition

The reduction in the number of participants during the course of a study, often leading to potential biases.

Obese People

Individuals who have a body mass index (BMI) of 30 or higher, indicating a high amount of body fat in relation to lean body mass.

One-group Posttest

An experimental design where only one group is studied and the assessment occurs only after the intervention or treatment.