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# Solutions for Chapter 9.2: Thomas' Calculus: Early Transcendentals 13th Edition

## Full solutions for Thomas' Calculus: Early Transcendentals | 13th Edition

ISBN: 9780321884077

Solutions for Chapter 9.2

Solutions for Chapter 9.2
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##### ISBN: 9780321884077

This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Thomas' Calculus: Early Transcendentals , edition: 13. Since 32 problems in chapter 9.2 have been answered, more than 83840 students have viewed full step-by-step solutions from this chapter. Chapter 9.2 includes 32 full step-by-step solutions. Thomas' Calculus: Early Transcendentals was written by and is associated to the ISBN: 9780321884077.

Key Calculus Terms and definitions covered in this textbook
• Bar chart

A rectangular graphical display of categorical data.

• Census

An observational study that gathers data from an entire population

• Compound fraction

A fractional expression in which the numerator or denominator may contain fractions

• Directed angle

See Polar coordinates.

• Double inequality

A statement that describes a bounded interval, such as 3 ? x < 5

• Fibonacci numbers

The terms of the Fibonacci sequence.

• Identity

An equation that is always true throughout its domain.

• Implicitly defined function

A function that is a subset of a relation defined by an equation in x and y.

• Inverse composition rule

The composition of a one-toone function with its inverse results in the identity function.

• Linear regression

A procedure for finding the straight line that is the best fit for the data

• Major axis

The line segment through the foci of an ellipse with endpoints on the ellipse

• Polar distance formula

The distance between the points with polar coordinates (r1, ?1 ) and (r2, ?2 ) = 2r 12 + r 22 - 2r1r2 cos 1?1 - ?22

• 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

A procedure for fitting a quadratic function to a set of data.

• Quartile

The first quartile is the median of the lower half of a set of data, the second quartile is the median, and the third quartile is the median of the upper half of the data.

• Semiminor axis

The distance from the center of an ellipse to a point on the ellipse along a line perpendicular to the major axis.

• Solve by elimination or substitution

Methods for solving systems of linear equations.

• Variable

A letter that represents an unspecified number.

• x-coordinate

The directed distance from the y-axis yz-plane to a point in a plane (space), or the first number in an ordered pair (triple), pp. 12, 629.

• xz-plane

The points x, 0, z in Cartesian space.

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