Precalculus

William L. Briggs has been on the mathematics faculty at the University of Colorado at Denver for 22 years. He teaches numerous courses within the undergraduate and graduate curriculum, and has special interest in teaching calculus, differential equations, and mathematical modeling. He developed the quantitative reasoning course for liberal arts students at University of Colorado at Denver supported by his textbook *Using and Understanding Mathematics*. He has written 2 other tutorial monographs, *The Multigrid Tutorial* and *The DFT: An Owner's Manual for the Discrete Fourier Transform*, as well as *Ants, Bikes, Clocks, a mathematical problem-solving text for undergraduates*. He is a Univer…