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# Solutions for Chapter 2.2: Polynomial, Power, and Rational Functions

## Full solutions for Precalculus: Graphical, Numerical, Algebraic | 8th Edition

ISBN: 9780321656933

Solutions for Chapter 2.2: Polynomial, Power, and Rational Functions

Solutions for Chapter 2.2
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##### ISBN: 9780321656933

Precalculus: Graphical, Numerical, Algebraic was written by and is associated to the ISBN: 9780321656933. Chapter 2.2: Polynomial, Power, and Rational Functions includes 81 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Since 81 problems in chapter 2.2: Polynomial, Power, and Rational Functions have been answered, more than 59545 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus: Graphical, Numerical, Algebraic, edition: 8th Edition.

Key Calculus Terms and definitions covered in this textbook
• Arcsine function

See Inverse sine function.

• Census

An observational study that gathers data from an entire population

• Components of a vector

See Component form of a vector.

• Coterminal angles

Two angles having the same initial side and the same terminal side

• Dihedral angle

An angle formed by two intersecting planes,

• Domain of a function

The set of all input values for a function

• Elements of a matrix

See Matrix element.

• Equivalent systems of equations

Systems of equations that have the same solution.

• Exponential regression

A procedure for fitting an exponential function to a set of data.

• Geometric sequence

A sequence {an}in which an = an-1.r for every positive integer n ? 2. The nonzero number r is called the common ratio.

• Half-plane

The graph of the linear inequality y ? ax + b, y > ax + b y ? ax + b, or y < ax + b.

• Heron’s formula

The area of ¢ABC with semiperimeter s is given by 2s1s - a21s - b21s - c2.

• Horizontal component

See Component form of a vector.

• Identity function

The function ƒ(x) = x.

• Limaçon

A graph of a polar equation r = a b sin u or r = a b cos u with a > 0 b > 0

• Natural exponential function

The function ƒ1x2 = ex.

• nth root of unity

A complex number v such that vn = 1

• Parametric curve

The graph of parametric equations.

• Reciprocal of a real number

See Multiplicative inverse of a real number.

• Variation

See Power function.