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# Solutions for Chapter 8.9: Thomas' Calculus: Early Transcendentals 13th Edition ## Full solutions for Thomas' Calculus: Early Transcendentals | 13th Edition

ISBN: 9780321884077 Solutions for Chapter 8.9

Solutions for Chapter 8.9
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##### ISBN: 9780321884077

Chapter 8.9 includes 56 full step-by-step solutions. 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 56 problems in chapter 8.9 have been answered, more than 67336 students have viewed full step-by-step solutions from this chapter. Thomas' Calculus: Early Transcendentals was written by and is associated to the ISBN: 9780321884077.

Key Calculus Terms and definitions covered in this textbook
• Algebraic expression

A combination of variables and constants involving addition, subtraction, multiplication, division, powers, and roots

• Angle of depression

The acute angle formed by the line of sight (downward) and the horizontal

• Augmented matrix

A matrix that represents a system of equations.

• Bearing

Measure of the clockwise angle that the line of travel makes with due north

• Binomial coefficients

The numbers in Pascal’s triangle: nCr = anrb = n!r!1n - r2!

• Compounded annually

See Compounded k times per year.

• Conjugate axis of a hyperbola

The line segment of length 2b that is perpendicular to the focal axis and has the center of the hyperbola as its midpoint

• Direct variation

See Power function.

• Dot product

The number found when the corresponding components of two vectors are multiplied and then summed

• Extraneous solution

Any solution of the resulting equation that is not a solution of the original equation.

• First quartile

See Quartile.

• Graph of a relation

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

• Inverse cosine function

The function y = cos-1 x

• Inverse secant function

The function y = sec-1 x

• Invertible linear system

A system of n linear equations in n variables whose coefficient matrix has a nonzero determinant.

• LRAM

A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the left-hand endpoint of each subinterval

• Monomial function

A polynomial with exactly one term.

• One-to-one rule of logarithms

x = y if and only if logb x = logb y.

• Reflexive property of equality

a = a

• Scientific notation

A positive number written as c x 10m, where 1 ? c < 10 and m is an integer.

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