Precalculus Fall 2009 Update - For Instructor and Student clients
October 22, 2009

Updates version 1.4.0 (Fall 2009):

Corrects issues in the following lessons:
1.1b	The Arithmetic of Algebraic Expressions
1.2c	Properties of Radicals
1.8a	Rational Expressions and Equations
1.8b	Radical Equations
2.2	Linear Equations in Two Variables
2.3	Forms of Linear Equations
2.5	Linear Inequalities in Two Variables
2.6	Introduction to Circles
3.1	Relations and Functions
3.2a	Linear and Quadratic Functions
3.5	Transformations of Functions
3.6	Combining Functions
3.7	Inverses of Functions
4.1	Introduction to Polynomial Equations and Graphs
4.3	Locating Real Zeros of Polynomials
4.4	The Fundamental Theorem of Algebra
4.5	Rational Functions and Rational Inequalities
5.2	Applications of Exponential Functions
5.5	Exponential and Logarithmic Equations
9.1	The Ellipse
9.2	The Parabola
10.7	Linear Programming