The Projected Monthly Sales (In Thousands of Units) of Lawn $S = 71 + 3 t - 40 \cos \left( \frac { \pi t } { 6 } \right)$

question 264

Multiple Choice

The projected monthly sales (in thousands of units) of lawn mowers (a seasonal product) are modeled by
$S = 71 + 3 t - 40 \cos \left( \frac { \pi t } { 6 } \right)$
Where t is the time (in months) , with t = 1 corresponding to January.Select the graph of the sales function over 1 year.

---

Definitions:

Illness Narrative

The personal story or account of an individual's experience living with, understanding, and coping with illness or disease.

Symptoms

The signs or notices of a disease or the physical and mental changes indicating that a condition exists.

Medications

Substances used in the diagnosis, treatment, or prevention of diseases and medical conditions.

Treatments

Medical interventions or therapeutic methods used to cure, relieve, or prevent diseases and conditions.