Perform the Indicated Operations $$\left( 4 x ^ { 2 } + 4 x + 7 \right) + \left( 2 x ^ { 2 } + 3 x + 2 \right) - ( 5 x + 2 )$$

question 270

Multiple Choice

Perform the indicated operations. Write the resulting polynomial in standard form.
Add and Subtract Polynomials
- $$\left( 4 x ^ { 2 } + 4 x + 7 \right) + \left( 2 x ^ { 2 } + 3 x + 2 \right) - ( 5 x + 2 )$$

• A) \(6 x ^ { 2 } + 2 x + 7\)
• B) \(6 x ^ { 2 } + 2 x + 11\)
• C) \(4 x ^ { 2 } + 2 x + 7\)
• D) \(4 x ^ { 2 } + 2 x + 11\)

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Definitions:

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Confidence Interval

An interval of values, obtained from data sampled, which is probable to encompass the value of an unspecified population parameter.

Confidence Level

The probability, expressed as a percentage, that a statistical interval will contain the true parameter value; commonly used in interval estimation.

Population Standard Deviation

A measure of the dispersion of all members in a population from the mean, indicating how spread out the values are.