Lessons and Tools for Teachers

Lessons for Functions

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• Analyzing the Data - … use the sample data provided. Choose a function or enter your own function in the function window. Use the sliders to change the … data. Before continuing on, recall the inverse function for an exponential function. Start with the exponential function y = 10x. If you know the … = 102, then x = 2. The inverse function of an exponential function is called a logarithmic function and satisfies the following relationship: log(y …
• Club Function - … should be able to: State the definition of a function. Identify non-functions and explain their flaws by talking about x and … , like Charles and Eric. Go through some examples of functions and non-functions in several formats (mapping diagrams, sets of points, graphs … explanation of functions. (See introduction information for a detailed mapping explanation). Attachments (Return to Contents) Club Function Cards PDF Club Function Cards DOC …
• Applets - … plane. Function Machine functions Students investigate very simple functions by trying to guess the algebraic form from inputs and outputs. Linear Function Machine graphing … linear functions by trying to guess the slope and intercept from inputs and outputs. Positive Linear Function Machine functions Students investigate linear functions with … build a function. Possible or Not? functions Drills students on whether a curve satisfies the properties of functions. The 2 Variable Function Pump functions Students …
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• Root? Zero? Solution? That's the Answer! - … ., zero of a function and the x-intercept of the graph of the function, apply proportional thinking when measuring, describing functions, and comparing … work in pairs relating the zeros of the function to points where a function's graph touches or crosses the x-axis … make the understanding of the difference between functions and those relations which are not functions stronger. Students create graphs with no zeros …