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# Solutions for Chapter 5.1: Using Fundamental Identities

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 5.1: Using Fundamental Identities

Solutions for Chapter 5.1
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##### ISBN: 9780618643448

Since 134 problems in chapter 5.1: Using Fundamental Identities have been answered, more than 39970 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 5.1: Using Fundamental Identities includes 134 full step-by-step solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Precalculus was written by and is associated to the ISBN: 9780618643448.

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

The annual interest rate

• Coefficient

The real number multiplied by the variable(s) in a polynomial term

• Determinant

A number that is associated with a square matrix

• Exponential function

A function of the form ƒ(x) = a ? bx,where ?0, b > 0 b ?1

• Fibonacci numbers

The terms of the Fibonacci sequence.

• First quartile

See Quartile.

• Gaussian curve

See Normal curve.

• Increasing on an interval

A function ƒ is increasing on an interval I if, for any two points in I, a positive change in x results in a positive change in.

• Independent variable

Variable representing the domain value of a function (usually x).

• Inequality

A statement that compares two quantities using an inequality symbol

• Line of travel

The path along which an object travels

• Local maximum

A value ƒ(c) is a local maximum of ƒ if there is an open interval I containing c such that ƒ(x) < ƒ(c) for all values of x in I

• Modulus

See Absolute value of a complex number.

• Positive linear correlation

See Linear correlation.

• Reflection

Two points that are symmetric with respect to a lineor a point.

• Row operations

See Elementary row operations.

• Statistic

A number that measures a quantitative variable for a sample from a population.

• Transverse axis

The line segment whose endpoints are the vertices of a hyperbola.

• Variance

The square of the standard deviation.

• yz-plane

The points (0, y, z) in Cartesian space.

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