Determine the Equation of the Graph $\frac { 7 } { \pi }$

question 269

Multiple Choice

Determine the equation of the graph.
-A weight attached to a spring is pulled down 3 inches below the equilibrium position. Assuming that the frequency of the system is $\frac { 7 } { \pi }$ cycles per second, determine a trigonometric model that gives the position of the weight at time $t$ seconds.

• A) \(s ( t ) = 3 \pi \cos 7 t\)
• B) \(s ( t ) = - 3 \cos \frac { 7 } { \pi } t\)
• C) \(s ( t ) = 3 \cos 14 t\)
• D) \(s ( t ) = - 3 \cos 14 t\)

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Definitions:

Output

The total amount of goods or services produced by an individual, company, or country.

Total Variable Cost

The sum of all costs that vary with output level in the production process.

Marginal Cost

The augmentation in cost due to the manufacture of one additional unit of a product or service.

Total Variable Cost

The sum of all costs that vary with the level of output, including materials and labor directly involved in production.