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# Solutions for Chapter 2.4: MORE ON INEQUALITIES

## Full solutions for Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign) | 4th Edition

ISBN: 9780534402303

Solutions for Chapter 2.4: MORE ON INEQUALITIES

Solutions for Chapter 2.4
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##### ISBN: 9780534402303

This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign), edition: 4. Since 86 problems in chapter 2.4: MORE ON INEQUALITIES have been answered, more than 24783 students have viewed full step-by-step solutions from this chapter. Chapter 2.4: MORE ON INEQUALITIES includes 86 full step-by-step solutions. Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign) was written by and is associated to the ISBN: 9780534402303.

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

• Binomial coefficients

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

• Complex fraction

See Compound fraction.

• Compounded continuously

Interest compounded using the formula A = Pert

• Heron’s formula

The area of ¢ABC with semiperimeter s is given by 2s1s - a21s - b21s - c2.

• Infinite sequence

A function whose domain is the set of all natural numbers.

• Local maximum

A value ƒ(c) is a local maximum of ƒ if there is an open interval I containing c such that ƒ(x) < ƒ(c) for all values of x in I

• Negative numbers

Real numbers shown to the left of the origin on a number line.

• Objective function

See Linear programming problem.

• Power-reducing identity

A trigonometric identity that reduces the power to which the trigonometric functions are raised.

• Probability of an event in a finite sample space of equally likely outcomes

The number of outcomes in the event divided by the number of outcomes in the sample space.

• Probability simulation

A numerical simulation of a probability experiment in which assigned numbers appear with the same probabilities as the outcomes of the experiment.

• RRAM

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

• Sum of an infinite series

See Convergence of a series

A graph in which (x, -y) is on the graph whenever (x, y) is; or a graph in which (r, -?) or (-r, ?, -?) is on the graph whenever (r, ?) is

• Third quartile

See Quartile.

• Transpose of a matrix

The matrix AT obtained by interchanging the rows and columns of A.

• Vector equation for a line in space

The line through P0(x 0, y0, z0) in the direction of the nonzero vector V = <a, b, c> has vector equation r = r0 + tv , where r = <x,y,z>.

• Whole numbers

The numbers 0, 1, 2, 3, ... .

• y-coordinate

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

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