Precalculus by Michael Sullivan
For undergraduate courses in College Algebra, Algebra and Trigonometry, Trigonometry, and Precalculus.
A proven motivator for students of diverse mathematical backgrounds, this text explores mathematics within the context of real-life, using understandable, realistic applications consistent with the abilities of any student. Graphing techniques are emphasized, including a thorough discussion of polynomial, rational, exponential, and logarithmic functions and conics. The use of a graphing calculator is optional.