Determine the Period and Amplitude of the Following Function $$y = 3 \cos \left( \frac { 2 x } { 3 } - \frac { 1 } { 6 } \right)$$

question 80

Multiple Choice

Determine the period and amplitude of the following function $$y = 3 \cos \left( \frac { 2 x } { 3 } - \frac { 1 } { 6 } \right)$$

• A) Period: 10 \(\pi\) ; Amplitude: 6
• B) Period: \(\frac { \pi } { 5 }\) ; Amplitude: 3
• C) Period: 8 \(\pi\) ; Amplitude: 4
• D) Period: \(\pi\) ; Amplitude: 3
• E) Period: 5 \(\pi\) ; Amplitude: 2

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Definitions:

Equity Method

An accounting technique used by a company to record its investment in another company, based on the entity's net asset value and subsequent earnings and losses.

Accounting Objective

The main goal of accounting, which is to provide financial information that is relevant, reliable, and useful for decision-making purposes.

Amortization

The process of gradually writing off the initial cost of an asset over its useful life.

Equity Income

Equity income refers to the earnings generated from investments in the stock of other companies, typically accounted for using the equity method.