[f(x+h)-f(x)]/h
- Author:
- David Wilbanks
- Topic:
- Calculus
Find the slope of a tangent line at an x value as h, the distance the x value of a secant point is from x, approaches 0.
1. Input any function.
2. Choose an x value for the point of tangency.
3. Use the slider to change h, noticing the slope of the secant line.