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Solutions for Chapter 7.3: Precalculus 5th Edition Full solutions for Precalculus | 5th Edition

ISBN: 9780321837349 Solutions for Chapter 7.3

Solutions for Chapter 7.3
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ISBN: 9780321837349

Chapter 7.3 includes 9 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Since 9 problems in chapter 7.3 have been answered, more than 4833 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 5. Precalculus was written by Sieva Kozinsky and is associated to the ISBN: 9780321837349.

Key Calculus Terms and definitions covered in this textbook
• Higher-degree polynomial function

A polynomial function whose degree is ? 3

• Horizontal line

y = b.

• Intercept

Point where a curve crosses the x-, y-, or z-axis in a graph.

• Least-squares line

See Linear regression line.

• Linear inequality in x

An inequality that can be written in the form ax + b < 0 ,ax + b … 0 , ax + b > 0, or ax + b Ú 0, where a and b are real numbers and a Z 0

• Modulus

See Absolute value of a complex number.

• Multiplicative inverse of a matrix

See Inverse of a matrix

• Natural numbers

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

• Quartile

The first quartile is the median of the lower half of a set of data, the second quartile is the median, and the third quartile is the median of the upper half of the data.

• Rational expression

An expression that can be written as a ratio of two polynomials.

• Reflexive property of equality

a = a

• Replication

The principle of experimental design that minimizes the effects of chance variation by repeating the experiment multiple times.

• Rigid transformation

A transformation that leaves the basic shape of a graph unchanged.

• Root of a number

See Principal nth root.

• Standard form of a polar equation of a conic

r = ke 1 e cos ? or r = ke 1 e sin ? ,

• Standard unit vectors

In the plane i = <1, 0> and j = <0,1>; in space i = <1,0,0>, j = <0,1,0> k = <0,0,1>

• Stemplot (or stem-and-leaf plot)

An arrangement of a numerical data set into a specific tabular format.

• Time plot

A line graph in which time is measured on the horizontal axis.

• Viewing window

The rectangular portion of the coordinate plane specified by the dimensions [Xmin, Xmax] by [Ymin, Ymax].

• Ymin

The y-value of the bottom of the viewing window.

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