Find the Length of the Indicated Portion of the Curve

question 128

Multiple Choice

Find the length of the indicated portion of the curve.
- $$\mathbf { r } ( \mathrm { t } ) = ( 5 + 2 \mathrm { t } ) \mathbf { i } + ( 6 + 3 \mathrm { t } ) \mathbf { j } + ( 4 - 6 \mathrm { t } ) \mathbf { k } , - 1 \leq \mathrm { t } \leq 0$$

• A) 8
• B) 5
• C) 9
• D) 7

---

Definitions:

Validity

The degree to which a tool, test, or method accurately measures what it's intended to measure or achieves the intended purpose.

Projective Tests

Psychological assessments that use ambiguous stimuli to elicit responses that may reveal facets of an individual's personality, motivations, and conflicts.

Cognitive Inventory

An assessment tool used to evaluate an individual's patterns of thought, beliefs, and attitudes that may influence their behavior and emotional well-being.

MMPI-2

A psychological assessment that evaluates personality traits and psychopathology, commonly used for diagnosing mental disorders.