Students Make Connections

school students should be able to do the following: "represent and analyze relationships using tables, verbal rules, equations, and graphs; translate among tabular, symbolic, and graphical representations of functions; recognize that a variety of problem situations can be modeled by the same type of function; and analyze the effects of parameter changes on the graphs of functions " (p. 154). The teaching of functions by emphasizing the tabular, symbolic and graphical representations and the connections between them became known as "The Rule of Three. " Functions can also be represented by real-worl