Calculate the Arc Length of the Indicated Portion of the Curve

question 138

Multiple Choice

Calculate the arc length of the indicated portion of the curve r(t) .
- $$\mathbf { r } ( t ) = ( 4 - 6 t ) \mathbf { i } + ( 9 + 9 t ) \mathbf { j } + ( 2 t - 2 ) \mathbf { k } , - 10 \leq t \leq 1$$

• A) -1089
• B) -99
• C) 121
• D) 1331

---

Definitions:

SSRIs

Short for Selective Serotonin Reuptake Inhibitors, a class of drugs commonly used to treat depression and anxiety by increasing serotonin levels in the brain.

Antidepressant Drugs

Medications designed to improve mood, help relieve depression, and sometimes used to treat other conditions such as anxiety disorders.

Fewest Side Effects

Describes a treatment or medication that causes the smallest number of undesired secondary effects.

Phenothiazines

A class of antipsychotic drugs used to treat mental disorders such as schizophrenia by blocking dopamine receptors in the brain.