Modeling, Functions, and Graphs : Algebra for College Students

Functions and Their Graphs 1(122) Investigation 1 Sales on Commission 2(1) Linear Models 3(16) Tables, Graphs, and Equations 3(2) Choosing Scales for the Axes 5(2) Linear Equations 7(2) Intercepts 9(1) Intercept Method for Graphing Lines 10(9) Functions 19(20) Definition of Function 19(1) Functions Defined by Tables 20(1) Functions Defined by Graphs 21(2) Functions Defined by Equations 23(1) Function Notation 24(1) Evaluating a Function 25(2) Operations with Function Notation 27(12) Graphs of Functions 39(17) Reading Function Values from a Graph 39(2) Constructing the Graph of a Function 41(1) The Vertical Line Test 42(2) Graphical Solution of Equations and Inequalities 44(12) Slope and Rate of Change 56(21) Using Ratios for Comparison 56(1) Measuring Steepness 57(1) Definition of Slope 58(1) Notation for Slope 59(2) Lines Have Constant Slope 61(1) Meaning of Slope 62(1) A Formula for Slope 63(14) Linear Functions 77(15) Slope-Intercept Form 77(2) Slope-Intercept Method of Graphing 79(1) Finding a Linear Equation from a Graph 80(1) Point-Slope Form 81(11) Linear Regression 92(31) Fitting a Line through Two Points 92(1) Scatterplots 93(2) Linear Regression 95(2) Linear Interpolation and Extrapolation 97(14) Summary and Review 111(9) Projects for Chapter 1 120(3) Modeling with Functions 123(110) Investigation 2 Epidemics 124(1) Investigations 3 Perimeter and Area 125(1) Nonlinear Models 126(13) Solving Nonlinear Equations 126(2) Solving Formulas 128(1) More Extraction of Roots 128(1) Compound Interest and Inflation 129(1) Other Nonlinear Equations 130(9)