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# Solutions for Chapter 7.4: Partial Fractions

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 7.4: Partial Fractions

Solutions for Chapter 7.4
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##### ISBN: 9780618643448

Chapter 7.4: Partial Fractions includes 70 full step-by-step solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Since 70 problems in chapter 7.4: Partial Fractions have been answered, more than 40339 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780618643448.

Key Calculus Terms and definitions covered in this textbook
• Annual percentage yield (APY)

The rate that would give the same return if interest were computed just once a year

• Blind experiment

An experiment in which subjects do not know if they have been given an active treatment or a placebo

• Cofunction identity

An identity that relates the sine, secant, or tangent to the cosine, cosecant, or cotangent, respectively

• Combination

An arrangement of elements of a set, in which order is not important

• Common difference

See Arithmetic sequence.

• Cubic

A degree 3 polynomial function

• Elementary row operations

The following three row operations: Multiply all elements of a row by a nonzero constant; interchange two rows; and add a multiple of one row to another row

• Explicitly defined sequence

A sequence in which the kth term is given as a function of k.

• First octant

The points (x, y, z) in space with x > 0 y > 0, and z > 0.

• Geometric series

A series whose terms form a geometric sequence.

• Horizontal shrink or stretch

See Shrink, stretch.

• Instantaneous rate of change

See Derivative at x = a.

• Monomial function

A polynomial with exactly one term.

• Outcomes

The various possible results of an experiment.

• Parametric equations

Equations of the form x = ƒ(t) and y = g(t) for all t in an interval I. The variable t is the parameter and I is the parameter interval.

• Plane in Cartesian space

The graph of Ax + By + Cz + D = 0, where A, B, and C are not all zero.

• Solve graphically

Use a graphical method, including use of a hand sketch or use of a grapher. When appropriate, the approximate solution should be confirmed algebraically

• Sum of an infinite series

See Convergence of a series

• Summation notation

The series a nk=1ak, where n is a natural number ( or ?) is in summation notation and is read "the sum of ak from k = 1 to n(or infinity).” k is the index of summation, and ak is the kth term of the series

• x-axis

Usually the horizontal coordinate line in a Cartesian coordinate system with positive direction to the right,.

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