53. June 2022 OCR Additional Maths paper q1 to 10

Please have a go at this paper before watching this video. I go through how to solve these questions in ways which match my videos, and explain which videos to watch if you want more practice with any specific skill. If there are any which you would like further help/explanation - please comment below.

[schoolaccgeorgecl]

Hello Sir,

For the last question, was there any reason why you found the turning points or was it just to make the graph look nicer?