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# Solutions for Chapter 9.4: Calculus: Early Transcendentals 1st Edition

## Full solutions for Calculus: Early Transcendentals | 1st Edition

ISBN: 9780321570567

Solutions for Chapter 9.4

Solutions for Chapter 9.4
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##### ISBN: 9780321570567

Since 80 problems in chapter 9.4 have been answered, more than 33107 students have viewed full step-by-step solutions from this chapter. Chapter 9.4 includes 80 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Calculus: Early Transcendentals was written by Sieva Kozinsky and is associated to the ISBN: 9780321570567. This textbook survival guide was created for the textbook: Calculus: Early Transcendentals, edition: 1.

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

The absolute value of the complex number z = a + b is given by ?a2+b2; also, the length of the segment from the origin to z in the complex plane.

• 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)

• Arcsecant function

See Inverse secant function.

• Bounded below

A function is bounded below if there is a number b such that b ? ƒ(x) for all x in the domain of f.

• Compounded k times per year

Interest compounded using the formula A = Pa1 + rkbkt where k = 1 is compounded annually, k = 4 is compounded quarterly k = 12 is compounded monthly, etc.

• Ellipse

The set of all points in the plane such that the sum of the distances from a pair of fixed points (the foci) is a constant

• Equation

A statement of equality between two expressions.

• Half-angle identity

Identity involving a trigonometric function of u/2.

• Multiplicative inverse of a real number

The reciprocal of b, or 1/b, b Z 0

• Normal curve

The graph of ƒ(x) = e-x2/2

• Polar axis

See Polar coordinate system.

• Product of matrices A and B

The matrix in which each entry is obtained by multiplying the entries of a row of A by the corresponding entries of a column of B and then adding

• 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

Any one of the four parts into which a plane is divided by the perpendicular coordinate axes.

• Repeated zeros

Zeros of multiplicity ? 2 (see Multiplicity).

• Sample space

Set of all possible outcomes of an experiment.

• Terminal point

See Arrow.

• Variable (in statistics)

A characteristic of individuals that is being identified or measured.

• x-intercept

A point that lies on both the graph and the x-axis,.

• xz-plane

The points x, 0, z in Cartesian space.

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