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More About This Textbook
Overview
Bob Blitzer’s unique background in mathematics and behavioral sciences, along with his commitment to teaching, inspired him to develop a precalculus series that gets readers engaged and keeps them engaged. Presenting the full scope of the mathematics is just the first step. Blitzer draws in the reader with vivid applications that use math to solve reallife problems. These applications help answer the question “When will I ever use this?” Readers stay engaged because the book helps them remain focused as they study. The threestep learning system–See It, Hear It, Try It–makes examples easy to follow, while frequent annotations offer the support and guidance of an instructor’s voice. Every page is interesting and relevant, ensuring that readers will actually use their textbook to achieve success!
Prerequisites: Fundamental Concepts of Algebra; Equations and Inequalities; Functions and Graphs; Polynomial and Rational Functions; Exponential and Logarithmic Functions; Systems of Equations and Inequalities
For all readers interested in college algebra.
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Meet the Author
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Bob Blitzer is a native of Manhattan and received a Bachelor of Arts degree with dual majors in mathematics and psychology (minor: English literature) from the City College of New York. His unusual combination of academic interests led him toward a Master of Arts in mathematics from the University of Miami and a doctorate in behavioral sciences from Nova University. Bob is most energized by teaching mathematics and has taught a variety of mathematics courses at MiamiDade College for nearly 30 years. He has received numerous teaching awards, including Innovator of the Year from the League for Innovations in the Community College, and was among the first group of recipients at MiamiDade College for an endowed chair based on excellence in the classroom. Bob has written Intermediate Algebra for College Students, Introductory Algebra for College Students, Essentials of Intermediate Algebra for College Students, Introductory and Intermediate Algebra for College Students, Essentials of Introductory and Intermediate Algebra for College Students, Algebra for College Students, Thinking Mathematically, College Algebra, Algebra and Trigonometry, and Precalculus, all published by Pearson Prentice Hall.
Table of Contents
Chapter P. Prerequisites: Fundamental Concepts of Algebra.
P.1 Algebraic Expressions, Mathematical Models, and Real Numbers
1. Evaluate algebraic expressions.
2. Use mathematical models.
3. Find the intersection of two sets.
4. Find the union of two sets.
5. Recognize subsets of the real numbers.
6. Use inequality symbols.
7. Evaluate absolute value.
8. Use absolute value to express distance.
9. Identify properties of the real numbers.
10. Simplify algebraic expressions.
P.2 Exponents and Scientific Notation
1. Use the product rule.
2. Use the quotient rule.
3. Use the zeroexponent rule.
4. Use the negativeexponent rule.
5. Use the power rule.
6. Find the power of a product.
7. Find the power of a quotient.
8. Simplify exponential expressions.
9. Use scientific notation.
P.3 Radicals and Rational Exponents
1. Evaluate square roots.
2. Simplify expressions of the form ?a2
3. Use the product rule to simplify square roots.
4. Use the quotient rule to simplify square roots.
5. Add and subtract square roots.
6. Rationalize denominators.
7. Evaluate and perform operations with higher roots.
8. Understand and use rational exponents.
P.4 Polynomials
1. Understand the vocabulary of polynomials.
2. Add and subtract polynomials.
3. Multiply polynomials.
4. Use FOIL in polynomial multiplication.
5. Use special products in polynomial multiplication.
6. Perform operations with polynomials in several variables.
MidChapter Check Point
P.5 Factoring Polynomials
1. Factor out the greatest common factor of a polynomial.
2. Factor by grouping.
3. Factor trinomials.
4. Factor the difference of squares.
5. Factor perfect square trinomials.
6. Factor the sum or difference of two cubes.
7. Use a general strategy for factoring polynomials.
8. Factor algebraic expressions containing fractional and negative exponents.
P.6 Rational Expressions
1. Specify numbers that must be excluded from the domain of rational expressions.
2. Simplify rational expressions.
3. Multiply rational expressions.
4. Divide rational expressions.
5. Add and subtract rational expressions.
6. Simplify complex rational expressions.
Chapter 1. Equations and Inequalities
1.1 Graphs and Graphing Utilities
1. Plot points in the rectangular coordinate system.
2. Graph equations in the rectangular coordinate system.
3. Interpret information about a graphing utility's viewing rectangle or table.
4. Use a graph to determine intercepts.
5. Interpret information given by graphs.
1.2 Linear Equations and Rational Equations
1. Solve Linear equations in one variable.
2. Solve linear equations containing fractions.
3. Solve rational equations with variables in the denominators.
4. Recognize identities, conditional equations, and inconsistent equations.
5. Solve applied problems using mathematical models.
1.3 Models and Applications
1. Use linear equations to solve problems.
2. Solve a formula for a variable.
1.4 Complex Numbers
1. Add and subtract complex numbers.
2. Multiply complex numbers.
3. Divide complex numbers.
4. Perform operations with square roots of negative numbers.
1.5 Quadratic Equations
1. Solve quadratic equations by factoring.
2. Solve quadratic equations by the square root property.
3. Solve quadratic equations by completing the square.
4. Solve quadratic equations using the quadratic formula.
5. Use the discriminant to determine the number and type of solutions.
6. Determine the most efficient method to use when solving a quadratic equation.
7. Solve problems modeled by quadratic equations.
MidChapter Check Point
1.6 Other Types of Equations
1. Solve polynomial equations by factoring.
2. Solve radical equations.
3. Solve equations with rational exponents.
4. Solve equations that are quadratic in form.
5. Solve equations involving absolute value.
1.7 Linear Inequalities and Absolute Value Inequalities
1. Use interval notation.
2. Find intersections and unions of intervals.
3. Solve linear inequalities.
4. Recognize inequalities with no solution or all real numbers as solutions.
5. Solve compound inequalities.
6. Solve absolute value inequalities.
Chapter 2. Functions and Graphs.
2.1 Basic Functions and Their Graphs
1. Find the domain and range of a relation.
2. Determine whether an equation is a function.
3. Determine whether an equation represents a function.
4. Evaluate a function.
5. Graph functions by plotting points.
6. Use the vertical line test to identify functions.
7. Obtain information about a function from its graph.
8. Identify the domain and range of a function from its graph.
9. Identify intercepts from a function's graph.
2.2 More on Functions and Their Graphs
1. Identify intervals on which a function increases, decreases, or is constant.
2. Use graphs to locate relative maxima or minima.
3. Identify even or odd functions and recognize their symmetries.
4. Understand and use piecewise functions.
5. Find and simplify a function's difference quotient.
2.3 Linear Functions and Slope
1. Calculate a line's slope.
2. Write the pointslope form of the equation of a line.
3. Write and graph the slopeintercept form of the equation of a line.
4. Graph horizontal or vertical lines.
5. Recognize and use the general form of a line's equation.
6. Use intercepts to graph the general form of a line's equation.
7. Model data with linear functions and make predictions.
2.4 More on Slope
1. Find slopes and equations of parallel and perpendicular line.
2. Interpret slope as rate of change.
3. Find a function's average rate of change.
MidChapter Check Point
2.5 Transformations of Functions
1. Recognize graphs of common functions.
2. Use vertical shifts to graph functions.
3. Use horizontal shifts to graph functions.
4. Use reflections to graph functions.
5. Use vertical stretching and shrinking to graph functions.
6. Use horizontal stretching to graph functions.
7. Graph functions involving a sequence of transformations.
2.6 Combinations of Functions; Composite Functions
1. Find the domain of a function.
2. Combine functions using the algebra of functions, specifying domains.
3. Form composite functions.
4. Determine domains for composite functions.
5. Write functions as composition.
2.7 Inverse Functions
1. Verify inverse functions.
2. Find the inverse of a function.
3. Use the horizontal line test to determine if a function has an inverse function.
4. Use the graph of a onetoone function to graph its inverse function.
5. Find the inverse of a function and graph both functions on the same axes.
2.8 Distance and Midpoint Formulas; Circles
1. Find the distance between two points.
2. Find the midpoint of a line segment.
3. Write the standard form of a circle's equation.
4. Give the center and radius of a circle whose equation is in standard form.
5. Convert the general form of a circle's equation to standard form.
Chapter 3. Polynomial and Rational Functions.
3.1 Quadratic Function
1. Recognize characteristics of parabolas.
2. Graph parabolas.
3. Determine a quadratic function's minimum or maximum value.
4. Solve problems involving a quadratic function's minimum or maximum value.
3.2 Polynomial Functions and Their Graphs
1. Identify polynomial functions.
2. Recognize characteristics of graphs of polynomial functions.
3. Determine end behavior.
4. Use factoring to find zeros of polynomial functions.
5. Identify zeros and their multiplicities.
6. Use the Intermediate Value Theorem.
7. Understand the relationship between degree and turning points.
8. Graph polynomial functions.
3.3 Dividing Polynomials: Remainder and Factor Theorems
1. Use long division to divide polynomials
2. Use synthetic division to divide polynomials.
3. Evaluate a polynomial using the Remainder Theorem.
4. Use the Factor Theorem to solve a polynomial equation.
3.4 Zeros of Polynomial Functions
1. Use the Rational Zero Theorem to find possible rational zeros.
2. Find zeros of a polynomial function.
3. Solve polynomial equations
4. Use the Linear Factorization Theorem to find polynomials with given zeros.
5. Use Descartes's Rule of Signs.
MidChapter Check Point
3.5 Rational Functions and Their Graphs
1. Find the domain of rational functions.
2. Use arrow notation.
3. Identify vertical asymptotes.
4. Identify horizontal asymptotes.
5. Use transformations to graph rational functions.
6. Graph rational functions.
7. Identify slant asymptotes.
8. Solve applied problems involving rational functions.
3.6 Polynomial and Rational Inequalities
1. Solve Polynomial Inequalities.
2. Solve rational inequalities.
3. Solve problems modeled by polynomial or rational inequalities.
3.7 Modeling Using Variation
1. Solve direct variation problems.
2. Solve inverse variation problems.
3. Solve combined variation problems.
4. Solve problems involving joint variation.
Chapter 4. Exponential and Logarithmic Functions.
4.1 Exponential Functions
1. Evaluate exponential functions.
2. Graph exponential functions.
3. Evaluate functions with base e.
4. Use compound interest formulas.
4.2 Logarithmic Functions
1. Change from logarithmic to exponential form.
2. Change from exponential to logarithmic form.
3. Evaluate logarithms.
4. Use basic logarithmic properties.
5. Graph logarithmic functions.
6. Find the domain of a logarithmic function.
7. Use common logarithms.
8. Use natural logarithms.
4.3 Properties of Logarithms
1. Use the product rule.
2. Use the quotient rule.
3. Use the power rule.
4. Expand logarithmic expressions.
5. Condense logarithmic expressions.
6. Use the changeofbase property.
MidChapter Check Point
4.4 Exponential and Logarithmic Equations
1. Use like bases to solve exponential equations.
2. Use logarithms to solve exponential equations.
3. Use the definition of a logarithm to solve logarithmic equations.
4. Use the onetoone property of logarithms to solve logarithmic equations.
5. Solve applied problems involving exponential and logarithmic equations.
4.5 Exponential Growth and Decay; Modeling Data
1. Model exponential growth and decay.
2. Use logistic growth models.
3. Chose an appropriate model for data.
4. Express an exponential model in base e.
Chapter 5. Systems of Equations and Inequalities.
5.1 Systems of Linear Equations in Two Variables.
1. Decide whether an ordered air is a solution of a linear system.
2. Solve linear systems by substitution.
3. Solve linear systems by addition.
4. Identify systems that do not have exactly one orderedpair solution.
5. Solve problems using systems of linear equations.
5.2 Systems of Linear Equations in Three Variables
1. Verify the solution of a system of linear equations in three variables.
2. Solve systems of linear equations in three variables.
3. Solve problems using systems in three variables.
5.3 Partial Fractions
1. Decompose P/Q, where Q has only distinct linear factors.
2. Decompose P/Q, where Q has only repeated linear factors.
3. Decompose P/Q, where Q has a nonrepeated prime quadratic factor.
4. Decompose P/Q, where Q has a prime, repeated quadratic factor.
5.4 Systems of Nonlinear Equations in Two Variables
1. Recognize systems of nonlinear equations in two variables.
2. Solve nonlinear systems by substitution.
3. Solve nonlinear systems by addition.
4. Solve problems using systems of nonlinear equations.
MidChapter Check Point
5.5 Systems of Inequalities
1. Graph a linear inequality in two variables.
2. Graph a nonlinear inequality in two variables.
3. Use mathematical models involving linear inequalities.
4. Graph a system of inequalities.
5.6 Linear Programming
1. Write an objective function describing a quantity that must be maximized or minimized.
2. Use inequalities to describe limitations in a situation.
3. Use linear programming to solve problems.
Appendix: Where Did That Come From? Selected Proofs.