Solutions for Chapter 8: Techniques of Integration

The annual interest rate

A matrix that represents a system of equations.

det(xIn - A), where A is an n x n matrix

Variable representing the range value of a function (usually y)

A series written explicitly as a sum of terms (not in summation notation).

A relation that associates each value in the domain with exactly one value in the range.

See Complex number.

Zeros of a function that are irrational numbers.

Data items more than 1.5 times the IQR below the first quartile or above the third quartile.

The graph of parametric equations.

There are nPr = n!1n - r2! such permutations

An equation in r and ?.

An identity that equates a trigonometric function with the reciprocal of another trigonometricfunction.

x, y and (-x,y) are reflections of each other across the y-axis.

A statistical measure that does not change much in response to outliers.

A measure of how a data set is spread

ƒ(x) = an x n + an-1x n-1 + Á + a1x + a0

Sn = a111 - r n 2 1 - r

A vector that specifies the motion of an object in terms of its speed and direction.

x = a.