Derivative Graphs
As we discussed before, a derivative is a function where each y value at any x value shows the parent function's rate of change (gradient) at that x value.
Interpreting Derivative Graphs
Inflection Points
- The point of inflection is the point on a graph is when the concavity changes from concave up to concave down or concave down to concave up.
Example
- The following example shows a cubic function and its first and second derivatives.
Sources