Find the Indicated Sum or Difference, If It Is Defined $$\left[ \begin{array} { r } 3 \\- 1 \\- 4\end{array} \right] + \left[ \begin{array} { r } - 5 \\6 \\9\end{array} \right]$$

question 45

Multiple Choice

Find the indicated sum or difference, if it is defined.
- $$\left[ \begin{array} { r } 3 \\- 1 \\- 4\end{array} \right] + \left[ \begin{array} { r } - 5 \\6 \\9\end{array} \right]$$

• A) \(\left[ \begin{array} { l } 2 \\ 5 \\ 6 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r } 3 & - 5 \\ - 1 & 6 \\ - 4 & 9 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l l } - 2 & 5 & 5 \end{array} \right]\)
• D) \(\left[ \begin{array} { r } - 2 \\ 5 \\ 5 \end{array} \right]\)

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Definitions:

Pitch

The perception of the frequency of sound, determining how high or low a tone sounds.

Loudness

The perception of the intensity of sound waves, often measured in decibels, and experienced by the listener as volume.

Timbre

The characteristic quality or color of a sound that distinguishes it from other sounds of the same pitch and volume.

Vision for Perception

The process by which the brain interprets visual stimuli from the eyes to understand and interact with the environment.