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# Solutions for Chapter 7-2: Identifying Functions from Graphical Patterns

## Full solutions for Precalculus with Trigonometry: Concepts and Applications | 1st Edition

ISBN: 9781559533911

Solutions for Chapter 7-2: Identifying Functions from Graphical Patterns

Solutions for Chapter 7-2
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##### ISBN: 9781559533911

This textbook survival guide was created for the textbook: Precalculus with Trigonometry: Concepts and Applications, edition: 1. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus with Trigonometry: Concepts and Applications was written by and is associated to the ISBN: 9781559533911. Since 24 problems in chapter 7-2: Identifying Functions from Graphical Patterns have been answered, more than 21466 students have viewed full step-by-step solutions from this chapter. Chapter 7-2: Identifying Functions from Graphical Patterns includes 24 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Bias

A flaw in the design of a sampling process that systematically causes the sample to differ from the population with respect to the statistic being measured. Undercoverage bias results when the sample systematically excludes one or more segments of the population. Voluntary response bias results when a sample consists only of those who volunteer their responses. Response bias results when the sampling design intentionally or unintentionally influences the responses

• Common ratio

See Geometric sequence.

• Complex number

An expression a + bi, where a (the real part) and b (the imaginary part) are real numbers

• Cone

See Right circular cone.

• Difference of two vectors

<u1, u2> - <v1, v2> = <u1 - v1, u2 - v2> or <u1, u2, u3> - <v1, v2, v3> = <u1 - v1, u2 - v2, u3 - v3>

• Eccentricity

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

• equation of an ellipse

(x - h2) a2 + (y - k)2 b2 = 1 or (y - k)2 a2 + (x - h)2 b2 = 1

• Graph of a relation

The set of all points in the coordinate plane corresponding to the ordered pairs of the relation.

• Inductive step

See Mathematical induction.

• Initial side of an angle

See Angle.

• Inverse function

The inverse relation of a one-to-one function.

• Inverse reflection principle

If the graph of a relation is reflected across the line y = x , the graph of the inverse relation results.

• Positive linear correlation

See Linear correlation.

• Present value of an annuity T

he net amount of your money put into an annuity.

• Principle of mathematical induction

A principle related to mathematical induction.

• 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.

• Product rule of logarithms

ogb 1RS2 = logb R + logb S, R > 0, S > 0,

• Scalar

A real number.

• Standard form of a polar equation of a conic

r = ke 1 e cos ? or r = ke 1 e sin ? ,

• Unit vector

Vector of length 1.

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