Construction 2: Gradient function
Construction steps
- In the input bar type f(x)=x^2 and press enter.
- Add a New Point, A,(2nd menu) on the curve.
- In the input bar type a=x(A) and press enter.
- Add a Tangent (4th menu) to the curve at the point A.
- Measure the Slope (8th menu) of the tangent.
- Enable Graphics 2 (View> Graphics 2).
- In the input bar type (a,m) and press enter.
- Right-click point B and select Trace On.