Concave Upwards and Concave Downwards Curves
● Relates to the second derivative
● Concave Upwards:
Stationary Points of Inflection
Non-Stationary Points of Inflection
● Some points of inflection are NOT stationary (ie dy/dx =/ 0 )
● Either on an increasing function or a decreasing function
● Investigate both sides of the point to determine type of function (increasing
or decreasing)