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# Solutions for Chapter 9.5: Precalculus 5th Edition

## Full solutions for Precalculus | 5th Edition

ISBN: 9780321837349

Solutions for Chapter 9.5

Solutions for Chapter 9.5
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##### ISBN: 9780321837349

Precalculus was written by and is associated to the ISBN: 9780321837349. Chapter 9.5 includes 8 full step-by-step solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 5. Since 8 problems in chapter 9.5 have been answered, more than 10569 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions.

Key Calculus Terms and definitions covered in this textbook
• Arccosine function

See Inverse cosine function.

• Cosecant

The function y = csc x

• Factor

In algebra, a quantity being multiplied in a product. In statistics, a potential explanatory variable under study in an experiment, .

• Factored form

The left side of u(v + w) = uv + uw.

• Factoring (a polynomial)

Writing a polynomial as a product of two or more polynomial factors.

• Finite series

Sum of a finite number of terms.

• Focal length of a parabola

The directed distance from the vertex to the focus.

• Hyperbola

A set of points in a plane, the absolute value of the difference of whose distances from two fixed points (the foci) is a constant.

• Ordered set

A set is ordered if it is possible to compare any two elements and say that one element is “less than” or “greater than” the other.

• Power function

A function of the form ƒ(x) = k . x a, where k and a are nonzero constants. k is the constant of variation and a is the power.

• Product rule of logarithms

ogb 1RS2 = logb R + logb S, R > 0, S > 0,

• Range of a function

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

• Sequence of partial sums

The sequence {Sn} , where Sn is the nth partial sum of the series, that is, the sum of the first n terms of the series.

• Solve an equation or inequality

To find all solutions of the equation or inequality

• Sum of an infinite series

See Convergence of a series

• Sum of complex numbers

(a + bi) + (c + di) = (a + c) + (b + d)i

• Unbounded interval

An interval that extends to -? or ? (or both).

• Vertex form for a quadratic function

ƒ(x) = a(x - h)2 + k

• Vertical asymptote

The line x = a is a vertical asymptote of the graph of the function ƒ if limx:a+ ƒ1x2 = q or lim x:a- ƒ1x2 = q.

• y-axis

Usually the vertical coordinate line in a Cartesian coordinate system with positive direction up, pp. 12, 629.

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