Section 1.1, 4, and 2.1-Secant lines compared to tangent lines
Select a function to work with by moving the slider, or enter your own function.
The point is movable and can be changed. Decide which features you want to show.
Note: if the blue point disappears after dragging it, move the example slider to bring it back.
Developed for use with Thomas' Calculus, published by Pearson.