Find the Sum or Difference $$( 5 + 4 i ) - ( - 4 + i )$$

question 362

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $$( 5 + 4 i ) - ( - 4 + i )$$

• A) \(- 9 - 3 i\)
• B) \(9 - 3 \mathrm { i }\)
• C) \(9 + 3 \mathrm { i }\)
• D) \(1 + 5 i\)

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Definitions:

Marginal Cost Curve

A graphical representation that shows how the cost of producing one more unit of something changes as the quantity produced increases.

Quadratic

Pertaining to an equation, function, or model that involves the square of a variable, typically expressed in the form ax^2 + bx + c = 0 where a, b, and c are constants.

Long-run Cost Function

A mathematical representation that shows the lowest possible cost of producing different levels of output when all input factors can be varied.

Experience

The knowledge or skill acquired by a period of practical involvement in or exposure to events or activities.