This 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 Seventh 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.
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Functions and Their Graphs
Polynomial and Rational Functions
Exponential and Logarithmic Functions
Additional Topics in Trigonometry
Systems of Equations and Inequalities
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angle Answers will vary approximate arithmetic sequence augmented matrix axis complex number coordinate cos2 cosine cosx determine distance domain ellipse evaluate Example Example2 exponential expression factor feet formula fx x2 geometric sequence graph the function graphing utility hyperbola identity inequality integer intercept interval inverse function isin Law of Sines linear equations mathematical mathematical induction matrix maximum model and solve Multiply original equation parabola parametric equations polynomial function Property quadratic radians rational function real numbers represents result row-echelon form shown in Figure Simplify sin2 sine sinx sketch the graph slope Solution solve real-life problems square standard form system of equations system of linear Theorem triangle trigonometric functions True or False try Exercise U.S. Census Bureau units utility to graph variables vector vertex Vertical asymptote viewing window VOCABULARY CHECK Write x-intercept