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# Solutions for Chapter 1.5: GRAPHS AND GRAPHING UTILITIES ## 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 1.5: GRAPHS AND GRAPHING UTILITIES

Solutions for Chapter 1.5
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##### ISBN: 9780534402303

Since 43 problems in chapter 1.5: GRAPHS AND GRAPHING UTILITIES have been answered, more than 24763 students have viewed full step-by-step solutions from this chapter. Chapter 1.5: GRAPHS AND GRAPHING UTILITIES includes 43 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: Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign), edition: 4. 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
• Arrow

The notation PQ denoting the directed line segment with initial point P and terminal point Q.

• Census

An observational study that gathers data from an entire population

• Domain of validity of an identity

The set of values of the variable for which both sides of the identity are defined

• Explicitly defined sequence

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

• Exponential growth function

Growth modeled by ƒ(x) = a ? b a > 0, b > 1 .

• Frequency

Reciprocal of the period of a sinusoid.

• Graph of a function ƒ

The set of all points in the coordinate plane corresponding to the pairs (x, ƒ(x)) for x in the domain of ƒ.

• Infinite limit

A special case of a limit that does not exist.

• Inverse of a matrix

The inverse of a square matrix A, if it exists, is a matrix B, such that AB = BA = I , where I is an identity matrix.

• 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.

• Multiplication principle of counting

A principle used to find the number of ways an event can occur.

• NDER ƒ(a)

See Numerical derivative of ƒ at x = a.

• Permutations of n objects taken r at a time

There are nPr = n!1n - r2! such permutations

The measure of an angle in radians, or, for a central angle, the ratio of the length of the intercepted arc tothe radius of the circle.

• Regression model

An equation found by regression and which can be used to predict unknown values.

• Resolving a vector

Finding the horizontal and vertical components of a vector.

• Statute mile

5280 feet.

• Variable (in statistics)

A characteristic of individuals that is being identified or measured.

• 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>.

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