$s ( t )$ Is the Position of a Body Moving Along a Coordinate

question 32

Essay

$s ( t )$ is the position of a body moving along a coordinate line, where $t \geq 0$ , and $s ( t )$ is measured in feet and $t$ in seconds.
$$s ( t ) = - 3 + 2 t - t ^ { 2 }$$
a. Determine the time(s) and the position(s) when the body is stationary.
b. When is the body moving in the positive direction? In the negative direction?
c. Sketch a schematic showing the position of the body at any time $t$ .

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Definitions:

Operating Cycle

The average time period between purchasing or acquiring inventory and receiving cash from sales of the inventory.

Existing Current Assets

Current assets that have been on a company's balance sheet for an extended period and include cash, accounts receivable, inventory, and other short-term assets.

Voluntary Deductions

Optional deductions from an employee's paycheck, such as for health insurance or retirement savings plans.

FICA Taxes

Taxes imposed on both employees and employers to fund Social Security and Medicare, based on a percentage of the employees' wages.