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Using Graphs To Introduce Functions.
Peer reviewed Peer reviewed
Van Dyke, Frances – Mathematics Teacher, 2003
Introduces the concept of function using graphs or pictorial representations of functions. Presents four activities for grade levels 8-14 that use the natural progression from qualitative graphs to quantitative graphs to tables to equations for introducing the theme of distance from an object as a function of time. (Author/NB)
Descriptors: Functions (Mathematics), Graphs, Higher Education, Mathematics Activities
Visualizing Cost, Revenue, and Profit.
Peer reviewed Peer reviewed
Van Dyke, Frances – Mathematics Teacher, 1998
Presents an activity on linear functions that is designed to help students become familiar with the graphs, equations, and tables of these functions while focusing on issues related to cost, revenue, and profit. (ASK)
Descriptors: Costs, Equations (Mathematics), Functions (Mathematics), Graphs