If $\mathbf { r } ( t ) = 7 \mathbf { i } + t \cos \pi \mathbf { j } + 4 \sin \pi t \mathbf { k }$

question 75

Multiple Choice

If $\mathbf { r } ( t ) = 7 \mathbf { i } + t \cos \pi \mathbf { j } + 4 \sin \pi t \mathbf { k }$ , evaluate $\int _ { 0 } ^ { 1 } r ( t ) d t$

• A) \(7 \mathbf { i } - \frac { 2 } { \pi ^ { 2 } } \mathbf { j } - \frac { 1 } { \pi } \mathbf { k }\)
• B) \(7 \mathbf { i } - \frac { 2 } { \pi ^ { 2 } } \mathbf { j } + \frac { 8 } { \pi } \mathbf { k }\)
• C) \(\mathbf { i } + \frac { 2 } { \pi ^ { 2 } } \mathbf { j } - \frac { 8 } { \pi } \mathbf { k }\)
• D)\(\frac { 2 } { \pi ^ { 2 } } \mathbf { j } + \frac { 1 } { \pi } \mathbf { k }\)
• E) \(7 \mathbf { i } + \frac { 2 } { \pi ^ { 2 } } \mathbf { j } + \frac { 8 } { \pi } \mathbf { k }\)

Evaluate factors for including new technology in a communication plan.

Recognize time zone systems and their significance in global communication.

Understand the purpose and features of a Web log in online communication.

Distinguish between GMT and its modern equivalent time zone system.

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Definitions:

Tentative

Marked by uncertainty or lack of finality, often used to describe plans or proposals that are provisional and subject to change.

Weekly Calendar

A calendar view that displays events and tasks organized by week, commonly found in calendar applications and planners.

Monthly Calendar Page

A calendar display format that shows all the days of a particular month, often used in planning and scheduling applications.

Hard Copy

A paper copy of information from a computer or document, as opposed to a digital version.