Functions Exam Questions Explained

In this lesson I explain, step-by-step, several function exam questions. If this topic is new to you, you may find it helpful to watch my other lesson 'Functions in less than 20 minutes!' first. **Tip: Perfect your algebra, particularly 'solving equations', 'expanding brackets' & 'changing the subject of a formula' and also 'indices' to become really good at functions** Exam Question 1 starts at 00:05 Exam Question 2 starts at 06:57 Exam Question 3 starts at 12:31 I hope you find the lesson useful! Subscribe to my YouTube channel to stay up to date with new uploads and follow me on Instagram @themathsprof for more maths! :-)