Select an Appropriate Expression to Complete the Following Method, Which

question 8

Multiple Choice

Select an appropriate expression to complete the following method, which is designed to return the number of elements in the parameter array numbers.If a value appears more than once, it should be counted exactly once.

• A)return numbers.length - values.size();
• B)return values.size();
• C)return numbers.length;
• D)return values.length();

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Definitions:

True-RMS

A measurement of an alternating current or voltage, representing the square root of the average of the squares of the instantaneous values.

Harmonic Distortion

A distortion occurring in a signal when frequencies are multiples of the fundamental frequency, affecting the quality and clarity of audio and visual signals.

Name

A word or set of words by which a person, place, or thing is known, addressed, or referred to.

Frequency

The number of cycles per second of a periodic signal, measured in hertz (Hz).