All the worked exercises of the chapter, in order of appearance in the book: natural domain, injectivity and inverse, monotonicity, image of functions with absolute value, piecewise-defined functions with a study of continuity, and the problems of demand, supply and market equilibrium.
- Domain of the square root of a fraction
- Injectivity and inverse of x³+1
- Graph and image of a difference of absolute values
- (x²+1)
- Graph and continuity of a piecewise function
- Parameters for continuity
- Solving f(x)=3 piecewise
- Continuity of the integer part
- Equilibrium with linear demand and supply
- Price of maximum profit
- Effect of a tax on the equilibrium