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Get Full Access to Calculus - Textbook Survival Guide
Get Full Access to Calculus - Textbook Survival Guide
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# Solutions for Chapter 2: Equations and Inequalities

## Full solutions for Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign) | 4th Edition

ISBN: 9780534402303

Solutions for Chapter 2: Equations and Inequalities

Solutions for Chapter 2
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##### ISBN: 9780534402303

Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign) was written by and is associated to the ISBN: 9780534402303. Chapter 2: Equations and Inequalities includes 75 full step-by-step solutions. Since 75 problems in chapter 2: Equations and Inequalities have been answered, more than 25529 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign), edition: 4.

Key Calculus Terms and definitions covered in this textbook
• Annual percentage rate (APR)

The annual interest rate

• Arccotangent function

See Inverse cotangent function.

• Boundary

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

• Bounded

A function is bounded if there are numbers b and B such that b ? ƒ(x) ? B for all x in the domain of f.

• Constant

A letter or symbol that stands for a specific number,

• Distance (on a number line)

The distance between real numbers a and b, or |a - b|

• equation of a quadratic function

ƒ(x) = ax 2 + bx + c(a ? 0)

• Frequency (in statistics)

The number of individuals or observations with a certain characteristic.

• Inductive step

See Mathematical induction.

• Inverse secant function

The function y = sec-1 x

• Inverse tangent function

The function y = tan-1 x

• Irreducible quadratic over the reals

A quadratic polynomial with real coefficients that cannot be factored using real coefficients.

• Least-squares line

See Linear regression line.

• Mathematical model

A mathematical structure that approximates phenomena for the purpose of studying or predicting their behavior

• PH

The measure of acidity

• Quadratic equation in x

An equation that can be written in the form ax 2 + bx + c = 01a ? 02

• Solution of an equation or inequality

A value of the variable (or values of the variables) for which the equation or inequality is true

• Upper bound test for real zeros

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

• Vertices of an ellipse

The points where the ellipse intersects its focal axis.

• Ymin

The y-value of the bottom of the viewing window.

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