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# Solutions for Chapter 3: Precalculus 5th Edition ## Full solutions for Precalculus | 5th Edition

ISBN: 9780321837349 Solutions for Chapter 3

Solutions for Chapter 3
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##### ISBN: 9780321837349

Precalculus was written by and is associated to the ISBN: 9780321837349. Since 9 problems in chapter 3 have been answered, more than 11839 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, edition: 5. Chapter 3 includes 9 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Absolute value of a vector

See Magnitude of a vector.

• Additive inverse of a complex number

The opposite of a + bi, or -a - bi

• Angle

Union of two rays with a common endpoint (the vertex). The beginning ray (the initial side) can be rotated about its endpoint to obtain the final position (the terminal side)

• Constant function (on an interval)

ƒ(x 1) = ƒ(x 2) x for any x1 and x2 (in the interval)

• Eccentricity

A nonnegative number that specifies how off-center the focus of a conic is

• End behavior

The behavior of a graph of a function as.

• Integrable over [a, b] Lba

ƒ1x2 dx exists.

• Logarithm

An expression of the form logb x (see Logarithmic function)

• Logistic regression

A procedure for fitting a logistic curve to a set of data

• Minute

Angle measure equal to 1/60 of a degree.

• Multiplication principle of counting

A principle used to find the number of ways an event can occur.

• Multiplicative inverse of a matrix

See Inverse of a matrix

• Principal nth root

If bn = a, then b is an nth root of a. If bn = a and a and b have the same sign, b is the principal nth root of a (see Radical), p. 508.

• Probability distribution

The collection of probabilities of outcomes in a sample space assigned by a probability function.

• Probability function

A function P that assigns a real number to each outcome O in a sample space satisfying: 0 … P1O2 … 1, P12 = 0, and the sum of the probabilities of all outcomes is 1.

• Real part of a complex number

See Complex number.

• Series

A finite or infinite sum of terms.

• Slope

Ratio change in y/change in x

• Tangent

The function y = tan x

• Vertical line test

A test for determining whether a graph is a function.

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