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# Solutions for Chapter 8-6: COMPLEX NUMBERS AND POLAR COORDINATES

## Full solutions for Functions Modeling Change: A Preparation for Calculus | 4th Edition

ISBN: 9780470484753

Solutions for Chapter 8-6: COMPLEX NUMBERS AND POLAR COORDINATES

Solutions for Chapter 8-6
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##### ISBN: 9780470484753

Since 39 problems in chapter 8-6: COMPLEX NUMBERS AND POLAR COORDINATES have been answered, more than 55941 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Functions Modeling Change: A Preparation for Calculus , edition: 4. Chapter 8-6: COMPLEX NUMBERS AND POLAR COORDINATES includes 39 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Functions Modeling Change: A Preparation for Calculus was written by and is associated to the ISBN: 9780470484753.

Key Calculus Terms and definitions covered in this textbook

P(A or B) = P(A) + P(B) - P(A and B). If A and B are mutually exclusive events, then P(A or B) = P(A) + P(B)

• Bounded above

A function is bounded above if there is a number B such that ƒ(x) ? B for all x in the domain of ƒ.

• Compounded monthly

See Compounded k times per year.

• Dependent event

An event whose probability depends on another event already occurring

• Distance (in a coordinate plane)

The distance d(P, Q) between P(x, y) and Q(x, y) d(P, Q) = 2(x 1 - x 2)2 + (y1 - y2)2

• DMS measure

The measure of an angle in degrees, minutes, and seconds

• Domain of validity of an identity

The set of values of the variable for which both sides of the identity are defined

• Dot product

The number found when the corresponding components of two vectors are multiplied and then summed

• Double inequality

A statement that describes a bounded interval, such as 3 ? x < 5

• Equivalent systems of equations

Systems of equations that have the same solution.

• Equivalent vectors

Vectors with the same magnitude and direction.

• Explanatory variable

A variable that affects a response variable.

• Graph of an inequality in x and y

The set of all points in the coordinate plane corresponding to the solutions x, y of the inequality.

• Graphical model

A visible representation of a numerical or algebraic model.

• Inductive step

See Mathematical induction.

• Initial point

See Arrow.

• Logarithmic regression

See Natural logarithmic regression

• Nappe

See Right circular cone.

• Re-expression of data

A transformation of a data set.

• Standard deviation

A measure of how a data set is spread