Precalculus 4th Edition - Solutions by Chapter

A value ƒ(c) is an absolute maximum value of ƒ if ƒ(c) ? ƒ(x) for all x in the domain of ƒ.

A triangle in which all angles measure less than 90°

The function ƒ(x) = 1 / 1 + e-x

The function y = cos x

An identity involving a trigonometric function of u - v

A statement that compares two quantities using an inequality symbol

The kth expression in the sequence

The path along which an object travels

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

A measure of the typical, middle, or average value for a data set

The perpendicular bisector of the major axis of an ellipse with endpoints on the ellipse.

T1t2 = Tm + 1T0 - Tm2e-kt

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

The vector projv u = au # vƒvƒb2v

The graph in three dimensions of a seconddegree equation in three variables.

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

See Cartesian coordinate system.

The function y = sec x.

Use an algebraic method, including paper and pencil manipulation and obvious mental work, with no calculator or grapher use. When appropriate, the final exact solution may be approximated by a calculator

For real numbers a and b, exactly one of the following is true: a < b, a = b , or a > b.