Precalculus 7th Edition - Solutions by Chapter

An equation that relates variable quantities associated with phenomena being studied

Speed of rotation, typically measured in radians or revolutions per unit time

Trigonometric functions when applied to real numbers are circular functions

A series aqk=1 ak converges to a sum S if imn: q ank=1ak = S

Facts collected for statistical purposes (singular form is datum)

Reciprocal of the period of a sinusoid.

See Complex plane.

<,>,<,>.

See Arrow.

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 logarithm with base e.

A function in which ƒ(x)is a polynomial in x, p. 158.

The measure of a central angle whose intercepted arc has a length equal to the circle’s radius.

x, y and (-x,-y) are reflections of each other through the origin.

An end behavior asymptote that is a slant line

Sn = a111 - r n 2 1 - r

The series a nk=1ak, where n is a natural number ( or ?) is in summation notation and is read "the sum of ak from k = 1 to n(or infinity).” k is the index of summation, and ak is the kth term of the series

See Angle.

A letter that represents an unspecified number.

See n factorial.