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Solutions for Chapter 4.4: Precalculus 5th Edition
Full solutions for Precalculus  5th Edition
ISBN: 9780321837349
Solutions for Chapter 4.4
Get Full SolutionsPrecalculus was written by and is associated to the ISBN: 9780321837349. This textbook survival guide was created for the textbook: Precalculus, edition: 5. Since 23 problems in chapter 4.4 have been answered, more than 10998 students have viewed full stepbystep solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 4.4 includes 23 full stepbystep solutions.

Annual percentage rate (APR)
The annual interest rate

Average rate of change of ƒ over [a, b]
The number ƒ(b)  ƒ(a) b  a, provided a ? b.

Component form of a vector
If a vector’s representative in standard position has a terminal point (a,b) (or (a, b, c)) , then (a,b) (or (a, b, c)) is the component form of the vector, and a and b are the horizontal and vertical components of the vector (or a, b, and c are the x, y, and zcomponents of the vector, respectively)

Conic section (or conic)
A curve obtained by intersecting a doublenapped right circular cone with a plane

Descriptive statistics
The gathering and processing of numerical information

Ellipsoid of revolution
A surface generated by rotating an ellipse about its major axis

Intercept
Point where a curve crosses the x, y, or zaxis in a graph.

Length of a vector
See Magnitude of a vector.

Linear regression
A procedure for finding the straight line that is the best fit for the data

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

Mean (of a set of data)
The sum of all the data divided by the total number of items

Natural logarithm
A logarithm with base e.

Nautical mile
Length of 1 minute of arc along the Earth’s equator.

Number line graph of a linear inequality
The graph of the solutions of a linear inequality (in x) on a number line

Parallelogram representation of vector addition
Geometric representation of vector addition using the parallelogram determined by the position vectors.

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

Pseudorandom numbers
Computergenerated numbers that can be used to approximate true randomness in scientific studies. Since they depend on iterative computer algorithms, they are not truly random

Rational numbers
Numbers that can be written as a/b, where a and b are integers, and b ? 0.

Reduced row echelon form
A matrix in row echelon form with every column that has a leading 1 having 0’s in all other positions.

Vertex of a cone
See Right circular cone.