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# Solutions for Chapter 11.1: Precalculus 5th Edition

## Full solutions for Precalculus | 5th Edition

ISBN: 9780321837349

Solutions for Chapter 11.1

Solutions for Chapter 11.1
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##### ISBN: 9780321837349

This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 5. Since 26 problems in chapter 11.1 have been answered, more than 11142 students have viewed full step-by-step solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780321837349. Chapter 11.1 includes 26 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Addition principle of probability.

P(A or B) = P(A) + P(B) - P(A and B). If A and B are mutually exclusive events, then P(A or B) = P(A) + P(B)

• Basic logistic function

The function ƒ(x) = 1 / 1 + e-x

• Binomial

A polynomial with exactly two terms

• Bounded interval

An interval that has finite length (does not extend to ? or -?)

• Conversion factor

A ratio equal to 1, used for unit conversion

• Expanded form of a series

A series written explicitly as a sum of terms (not in summation notation).

• Irrational numbers

Real numbers that are not rational, p. 2.

• Linear function

A function that can be written in the form ƒ(x) = mx + b, where and b are real numbers

• Magnitude of a vector

The magnitude of <a, b> is 2a2 + b2. The magnitude of <a, b, c> is 2a2 + b2 + c2

• Multiplicative identity for matrices

See Identity matrix

• n factorial

For any positive integer n, n factorial is n! = n.(n - 1) . (n - 2) .... .3.2.1; zero factorial is 0! = 1

• Negative angle

Angle generated by clockwise rotation.

• Period

See Periodic function.

• Power regression

A procedure for fitting a curve y = a . x b to a set of data.

• Pseudo-random numbers

Computer-generated numbers that can be used to approximate true randomness in scientific studies. Since they depend on iterative computer algorithms, they are not truly random

• Range of a function

The set of all output values corresponding to elements in the domain.

• Root of an equation

A solution.

• Subtraction

a - b = a + (-b)

• Vertical line

x = a.

• z-coordinate

The directed distance from the xy-plane to a point in space, or the third number in an ordered triple.

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