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# Solutions for Chapter A.4: Review of Fundamental Concepts of Algebra ## Full solutions for Precalculus with Limits | 3rd Edition

ISBN: 9781133947202 Solutions for Chapter A.4: Review of Fundamental Concepts of Algebra

Solutions for Chapter A.4
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##### ISBN: 9781133947202

Precalculus with Limits was written by and is associated to the ISBN: 9781133947202. This textbook survival guide was created for the textbook: Precalculus with Limits, edition: 3. Since 81 problems in chapter A.4: Review of Fundamental Concepts of Algebra have been answered, more than 34598 students have viewed full step-by-step solutions from this chapter. Chapter A.4: Review of Fundamental Concepts of Algebra includes 81 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions.

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)

• Arctangent function

See Inverse tangent function.

• Boundary

The set of points on the “edge” of a region

• Dependent variable

Variable representing the range value of a function (usually y)

• Even function

A function whose graph is symmetric about the y-axis for all x in the domain of ƒ.

• Inequality

A statement that compares two quantities using an inequality symbol

• Inequality symbol or

<,>,<,>.

• Initial value of a function

ƒ 0.

• Interval

Connected subset of the real number line with at least two points, p. 4.

• Logarithmic regression

See Natural logarithmic regression

• Measure of center

A measure of the typical, middle, or average value for a data set

• Multiplicative inverse of a matrix

See Inverse of a matrix

• Nonsingular matrix

A square matrix with nonzero determinant

• Objective function

See Linear programming problem.

• Real part of a complex number

See Complex number.

A graph in which (x, -y) is on the graph whenever (x, y) is; or a graph in which (r, -?) or (-r, ?, -?) is on the graph whenever (r, ?) is

• Unit circle

A circle with radius 1 centered at the origin.

• Upper bound for real zeros

A number d is an upper bound for the set of real zeros of ƒ if ƒ(x) ? 0 whenever x > d.

• Upper bound test for real zeros

A test for finding an upper bound for the real zeros of a polynomial.

• Xscl

The scale of the tick marks on the x-axis in a viewing window.

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