The links below correspond to chapters in "Precalculus with Limits: a unit circle approach" by Hornsby, Lial and Rockswold.
CHAPTER 1: LINEAR FUNCTIONS, EQUATIONS, AND INEQUALITIES
CHAPTER 2: ANALYSIS OF GRAPHS OF FUNCTIONS
CHAPTER 3: POLYNOMIAL FUNCTIONS
CHAPTER 4: RATIONAL, POWER, AND ROOT FUNCTIONS
CHAPTER 5: INVERSE, EXPONENTIAL AND LOGARITHMIC FUNCTIONS