Precalculus with Limits 3rd Edition - Solutions by Chapter

See Mathematical induction.

See Inverse cosecant function.

A circular graphical display of categorical data

An interval that includes its endpoints

The definite integral of the function ƒ over [a,b] is Lbaƒ(x) dx = limn: q ani=1 ƒ(xi) ¢x provided the limit of the Riemann sums exists

Complex numbers whose real parts are equal and whose imaginary parts are equal.

See Frequency table.

A sequence {an}in which an = an-1.r for every positive integer n ? 2. The nonzero number r is called the common ratio.

The kth expression in the sequence

A procedure for fitting a logistic curve to a set of data

The magnitude of <a, b> is 2a2 + b2. The magnitude of <a, b, c> is 2a2 + b2 + c2

The sum of all the data divided by the total number of items

A model determined by analyzing numbers or data in order to gain insight into a phenomenon, p. 64.

See Linear correlation.

he net amount of your money put into an annuity.

A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the right-hand end point of each subinterval.

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

Sn = a 1 - r , |r| 6 1

See Quartile.

If ab = 0 , then either a = 0 or b = 0.