Factor Completely $x ^4 - 16$ A) $( x + 2 ) ^ { 2 } ( x - 2 ) ^ { 2 }$

question 21

Multiple Choice

Factor completely: $x ^4 - 16$

• A) \(( x + 2 ) ^ { 2 } ( x - 2 ) ^ { 2 }\)
• B) \(\left( x ^ { 2 } + 4 \right) ( x + 2 ) ( x - 2 )\)
• C) \(( x - 2 ) ^ { 4 }\)
• D) \(\left( x ^ { 2 } - 4 \right) ^ { 2 }\)

Understand the structure and development stages of echinoderms, including their movement mechanisms from larvae to adult forms.

Comprehend the concept of radial cleavage and its significance in animal development, particularly in deuterostomes.

Identify the unique characteristics and the significance of the water vascular system in echinoderms.

Describe the various distinctive body plans and feeding mechanisms among the deuterostomes.

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Definitions:

Smoothing Constant

The weighting factor, α, used in an exponential smoothing forecast, a number between 0 and 1.

Weighting Factor

A coefficient that assigns relative importance or influence to various elements in quantitative analysis or in making predictions.

Weighted Moving Average

A calculation that averages a set of numbers, giving different weights to each value, commonly used in finance and forecasting.

Waffle Sales

The revenue or quantity sold from the transaction of waffles in a given period, often used to gauge business performance in the food industry.