The product is a precalculus textbook titled “Precalculus” by W. Michael Kelley, published in 2004 by Houghton Mifflin Harcourt Publishing Company. This trade paperback edition is 240 pages long and covers topics such as functional analysis, graphic methods, precalculus, matrices, algebra, and trigonometry. Written in English, this textbook is designed for students looking to deepen their understanding of mathematical concepts and prepare for future studies in the field. With a compact size of 8.2 x 5.2 x 0.5 inches and weighing 6.7 ounces, this textbook is a valuable resource for students in the mathematics subject area.