Higher Maths
Stationary Points
What you need to be able to do:

Determine where a function is strictly increasing/decreasing.

Sketch the graph of an algebraic function.
This didn't appear in 2015 but has been in the paper in 2016 and 2017.
2016 Paper 1
Here's some questions on stationary points from the old, old past papers
2017 Paper 2