Find the Amplitude, Period, and Phase Shift of the Function $y = 2 \cos \left( \frac { 1 } { 4 } x + \frac { 1 } { 2 } \pi \right)$

question 45

Essay

Find the amplitude, period, and phase shift of the function $y = 2 \cos \left( \frac { 1 } { 4 } x + \frac { 1 } { 2 } \pi \right)$ , and sketch its graph for one complete period.

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Definitions:

Job Costing

A cost accounting system used to assign costs to specific jobs or batches, typically used in industries with unique, customizable orders.

Inventory Valuation

The monetary amount associated with the goods held by a company to be sold or used in production.

Operation Costing

A hybrid costing system used in manufacturing, combining elements of both job-order and process costing.

Conversion Costs

Costs associated with converting raw materials into finished products, typically including labor and overhead expenses.