389

Index

389

Absolute Value Functions, 104

Graphing, 105

Solving, 106

Solving Inequalities, 107

Ambiguous Case, 340

Amplitude, 261, 265

Angle, 223

Coterminal Angles, 224

Degree, 223

Radian, 226

Reference Angles, 240

Standard Position, 223

Angular Velocity, 231

Annual Percentage Rate (APR), 162

Annual Percentage Yield (APY), 164

Arclength, 225

Arcsine, Arccosine and Arctangent, 278

Area of a Sector, 230

Average Rate of Change, 23

Change of Base, 180, 185

Circles, 218, 351

Area of a Sector, 230

Equation of a Circle, 218

Points on a Circle, 219, 235

Polar Coordinates, 351

Coefficients, 114

Cofunction Identities, 253

Common Log, 178

Complex Conjugate, 360

Complex Number, 358

Complex Plane, 359

Component Form, 370

Composition of Functions, 35

Formulas, 37

Tables and Graphs, 36

Compound Interest, 162

Concavity, 30

Continuous Growth, 165

Correlation Coefficient, 101, 102

Cosecant, 244

Cosecant Function

Domain, 273

Range, 273

Cosine, 234, 251, 260

Cotangent, 244

Cotangent Function

Domain, 274

Period, 274

Range, 274

Coterminal Angles, 224

Damped Harmonic Motion, 332

Decreasing, 27

Degree, 114, 223

Difference of Logs Property, 185

Domain, 13

Double Angle Identities, 320

Double Zero, 129

Doubling Time, 201

Euler’s Formula, 362

Even Functions, 53

Exponential Functions, 155

Finding Equations, 159

Fitting Exponential Functions to Data, 214

Graphs of Exponential Functions, 168

Solving Exponential Equations, 181

Transformations of Exponential Graphs, 171

Exponential Growth or Decay Function, 156

Exponential Property, 185

Extrapolation, 99

Extrema, 27, 133

Function, 1

Absolute Value Functions, 104

Composition of Functions, 35

Domain and Range, 13

Exponential Functions, 155

Formulas as Functions, 7

Function Notation, 3

Graphs as Functions, 5

Horizontal Line Test, 7

Inverse of a Function, 64

Linear Functions, 71, 73

Logarithmic Functions, 176

One-to-One Function, 2

Parametric Functions, 377

Periodic Functions, 257

Piecewise Function, 20

Polar Functions, 351

Power Functions, 111

Quadratic Functions, 118

Radical Functions, 149, 150

Rational Functions, 136, 139

Sinusoidal Functions, 259

Solving & Evaluating, 5

Tables as Functions, 3

Tangent Function, 270

Vertical Line Test, 6

Half-Angle Identities, 327

Half-Life, 198

Hole, 141

Horizontal Asymptote, 138, 142

Horizontal Intercept, 84

Horizontal Line Test, 7

Horizontal Lines, 85

Imaginary Number, 358

Complex Conjugate, 360

Complex Number, 358

Complex Plane, 359

Euler’s Formula, 362

Polar Form of Complex Numbers, 361, 362

Increasing, 27

Inflection Point, 30

Intercepts, 123, 127, 128, 132, 143

Graphical Behavior, 128

Writing Equations, 132

Interpolation, 99

Intersections of Lines, 87

Interval Notation, 15

Union, 15

Inverse of a Function, 64

Properties of Inverses, 68

Inverse Properties, 185

Inversely Proportional, 136

Inversely Proportional to the Square, 136

Inverses, 149

Law of Cosines

General Pythagorean Theorem, 343

Law of Sines

Ambiguous Case, 340

Leading Coefficient, 114

Leading Term, 114

Least-Square Regression, 100

Limaçons, 352

Linear Functions, 71, 73

Fitting Linear Models to Data, 98

Graphing, 79

Horizontal Intercept, 84

Horizontal Lines, 85

Intersections of Lines, 87

Least-Square Regression, 100

Modeling, 90

Parallel Lines, 85

Perpendicular Lines, 86

Veritcal Lines, 85

Vertical Intercept, 80

Linear Velocity, 231

Lissajous Figure, 380

Local Maximum, 27

Local Minimum, 27

Logarithmic Functions, 176

Change of Base, 180, 185

Common Log, 178

Difference of Logs Property, 185

Exponential Property, 179, 185

Graphs of Logarithmic Functions, 192

Inverse Properties, 176, 185

Logarithmic Scales, 204

Log-Log Graph, 212

Moment Magnitude Scale, 207

Natural Log, 178

Orders of Magnitude, 207

Semi-Log Graph, 212

Sum of Logs Property, 185

The Logarithm, 176

Transformations of the Logarithmic Function, 194

Log-Log Graph, 212

Long Run Behavior, 112, 115, 137

Mathematical Modeling, 71

Midline, 262, 265

Model Breakdown, 100

Moment Magnitude Scale, 207

Natural Log, 178

Negative Angle Identities, 302

Newton's Law of Cooling, 203

Nominal Rate, 162

Odd Functions, 53

One-to-One Function, 2, 7

Orders of Magnitude, 207

Parallel Lines, 85

Parametric Functions, 377

Converting from Parametric to Cartesian, 380

Lissajous Figure, 380

Parameterizing Curves, 382

Period, 257, 265

Periodic Functions, 257

Period, 257

Sinusoidal, 259

Perpendicular Lines, 86

Phase Shift, 268

Piecewise Function, 20

Polar Coordinates

Converting Points, 349

Polar Functions, 351

Converting To and From Cartesian Coordinates, 354

Euler’s Formula, 362

Limaçons, 352

Polar Form of Complex Numbers, 361, 362

Roses, 352, 353

Polynomial, 114

Coefficients, 114

Degree, 114

Horizontal Intercept, 129, 132

Leading Coefficient, 114

Leading Term, 114

Solving Inequalities, 130

Term, 114

Power Functions, 111

Characterisitcs, 112

Power Reduction Identities, 327

Product to Sum Identities, 314

Pythagorean Identity, 236, 248

Alternative Forms, 248, 302

Pythagorean Theorem, 217

Quadratic Formula, 125

Quadratic Functions, 118

Quadratic Formula, 125

Standard Form, 120, 121

Transformation Form, 120

Vertex Form, 120

Radian, 226

Radical Functions, 149, 150

Range, 13

Rate of Change, 23

Average, 23

Using Function Notation, 25

Rational Functions, 136, 139

Hole, 141

Intercepts, 143

Long Run Behavior, 141

Reciprocal Identities, 302

Reference Angles, 240

Roses, 352, 353

Secant, 244

Secant Function

Domain, 273

Range, 273

Semi-Log Graph, 212

Set-Builder Notation, 15

Short Run Behavior, 115, 118, 123, 127, 137

Sine, 234, 251, 260

Single Zero, 129

Sinusoidal Functions, 259

Amplitude, 261, 265

Damped Harmonic Motion, 332

Midline, 262, 265

Modeling, 295

Period, 257, 265

Phase Shift, 268

Solving Trig Equations, 290

Slope, 73, 74, 80

Decreasing, 73

Increasing, 73

Standard Form, 120, 121

Standard Position, 223

Sum and Difference Identities, 308

Sum of Logs Property, 185

Sum to Product Identities, 315

Tangent, 244, 251

Tangent Function, 270

Domain, 270

Period, 270

Range, 270

Term, 114

The Logarithm, 176

Toolkit Functions, 11

Domains and Ranges of Toolkit Functions, 18

Transformation Form, 120

Transformations of Functions, 43

Combining Horizontal Transformations, 59

Combining Vertical Transformations, 58

Horizontal Reflections, 50

Horizontal Shifts, 46

Horizontal Stretch or Compression, 56

Vertical Reflections, 50

Vertical Shifts, 44

Vertical Stretch or Compression, 54

Trigonometric Identities, 245

Alternative Forms of the Pythagorean Identity, 248, 302

Cofunction Identities, 253

Double Angle Identities, 320

Half-Angle Identities, 327

Negative Angle Identities, 302

Power Reduction Identities, 327

Product to Sum Identities, 314

Pythagorean Identity, 236

Reciprocal Identities, 302

Sum and Difference Identities, 308

Sum to Product Identities, 315

Trigonometry

Cosecant, 244

Cosine, 234, 251, 260

Cotangent, 244

Right Triangles, 251

Secant, 244

Sine, 234, 251, 260

SohCahToa, 251

Solving Trig Equations, 290

Tangent, 244, 251

The Pythagorean Theorem, 217

Unit Circle, 241

Triple Zero, 129

Unit Circle, 241

Vector, 367, 370

Adding Vectors Geometrically, 368

Adding, Subtracting, or Scaling Vectors in Component Form, 372

Geometrically Scaling a Vector, 369

Vertex, 118, 120

Vertex Form, 120

Vertical Asymptote, 137, 140

Vertical Intercept, 80

Vertical Line Test, 6

Vertical Lines, 85

389