## PrecalculusThis market-leading text continues to provide both students and instructors with sound, consistently structured explanations of the mathematical concepts. Designed for a one- or two-term course that prepares students to study calculus, the new Eighth Edition retains the features that have made PRECALCULUS a complete solution for both students and instructors: interesting applications, cutting-edge design, and innovative technology combined with an abundance of carefully written exercises. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version. |

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### Contents

Functions and Their Graphs | 1 |

Polynomial and Rational Functions | 125 |

Exponential and Logarithmic Functions | 215 |

Trigonometry | 279 |

Analytic Trigonometry | 371 |

Additional Topics in Trigonometry | 427 |

Systems of Equations and Inequalities | 493 |

Matrices and Determinants | 569 |

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### Common terms and phrases

algebraic angle Answers will vary approximate arithmetic sequence augmented matrix axis complex number coordinate cos2 cosine determine distance domain ellipse evaluate Example exponential expression factor feet formula fx x2 fx x3 geometric sequence graph the function graphing utility Horizontal asymptote hyperbola identity inequality integer intercept interval inverse function Law of Cosines Law of Sines linear equations mathematical induction matrix maximum Multiply odd-numbered exercises original equation parabola parametric equations polynomial function Property quadratic radians rational rational function real numbers row-echelon form shown in Figure Simplify sin2 sine sketch the graph slope solutions to odd-numbered solve real-life problems square standard form system of linear tan2 Theorem triangle trigonometric functions true or false try Exercise U.S. Census Bureau units utility to graph variables vector vertex Vertical asymptote viewing window worked-out solutions Write π π