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Topic (Course) 
Technology 
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Exploring the Witch of Agnesi

tangent line (PreCalculus) 
Sketchpad 
Activity 

[1]

This activity has students construct the graph of the Witch of Agnesi, and investigate both its asymptotes and inflection points. Fermat studied this function in the seventeenth century.
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Exponential Curves

tangent line (PreCalculus) 
Java Applet 
Tool 

[0]

Look for a curve of the form a^x which has slope 1 at x=0.
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Exponential Growth

tangent line (PreCalculus) 
TINspire 
Activity 

[0]

The main objective of this activity is to ﬁnd an approximation for the value of the mathematical constant e and to apply it to exponential growth and decay problems. To accomplish this, student...
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From Secant Lines to Tangent L...

tangent line (PreCalculus) 
Sketchpad 
Activity 

[1]

This activity demonstrates one of the many ways Sketchpad can be used in a calculus or math analysis class. Here, students explore the relationship between the slopes of secant lines to a curve...
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Graphing f '(x): Increasing, D...

tangent line (PreCalculus) 
Sketchpad 
Activity 

[0]

This activity is designed to follow the activities From Secant Lines to Tangent Lines and Slopes and Derivatives [referenced below], but it can easily stand on its own. Using a dynamic t...
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WebGrapher

tangent line (PreCalculus) 
Java Applet 
Tool 

[1]

This is a Java graphing applet that can be used online or downloaded. The purpose it to construct dynamic graphs with parameters controlled by user defined sliders that can be saved as web pages or em...
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