Solutions for Chapter 3.4: The Chain Rule

A matrix that represents a system of equations.

Trigonometric functions when applied to real numbers are circular functions

a + b = b + a ab = ba

An identity involving a trigonometric function of u - v

The distance between real numbers a and b, or |a - b|

Side opposite the right angle in a right triangle.

See Complex number.

Notation used to specify intervals, pp. 4, 5.

See Polynomial function in x.

A system of linear equations

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

For any positive integer n, n factorial is n! = n.(n - 1) . (n - 2) .... .3.2.1; zero factorial is 0! = 1

Real numbers shown to the left of the origin on a number line.

The eight regions of space determined by the coordinate planes.

A procedure for fitting a curve y = a . x b to a set of data.

The collection of probabilities of outcomes in a sample space assigned by a probability function.

The difference between the greatest and least values in a data set.

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

a = a

A test for finding an upper bound for the real zeros of a polynomial.