The Function Graphed Is of the Form Y $$y = a \sin b x \text { or } y = a \cos b x , \text { where } b > 0$$

question 46

Multiple Choice

The function graphed is of the form y $$y = a \sin b x \text { or } y = a \cos b x , \text { where } b > 0$$ Determine the equation of the graph.
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• A) \(y = - 4 \sin ( 2 x )\)
• B) \(y = - 4 \cos ( 2 x )\)
• C) \(y = 4 \cos ( 2 x )\)
• D) \(y = - 4 \cos \left( \frac { 1 } { 2 } x \right)\)

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Definitions:

Inflation

A broad upsurge in pricing with a corresponding fall in the worth of money.

Short-run Phillips Curve

A graphical representation showing the inverse relationship between unemployment and inflation rates in the short term.

Inflation Expectations

Inflation expectations are the rate at which people—consumers and investors—expect the general level of prices to change in the future.

Unemployment Rate

The portion of the labor market that consists of people who are jobless and actively on the lookout for work.