Function notation

Sample Function notation questions

A few of the 3 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

1. Question 13 marksGrade 7
   The function $f$ is defined for $x \in \mathbb{R}$ by $f(x) = 5 - 2x$

What are the common mistakes in Function notation?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

• When solving an equation of matching exponential bases, sets the variable equal to the exponent on the other side directly instead of equating the two exponents and solving.

  $e^{3x} = e^9$ means the two EXPONENTS must be equal: $3x = 9$

Quick answers about Function notation

How many Function notation practice questions are there?

There are 3 self-marking IGCSE and Additional Maths Maths questions on Function notation, written for Cambridge IGCSE Additional Maths (0606), Pearson International GCSE Maths A (4MA1), Cambridge IGCSE Mathematics (0580), Cambridge IGCSE (9-1) Mathematics (0980) across Higher and Single and Extended tier. Each one is marked instantly and has a full worked solution.

Do I need an account to practise Function notation?

No. You can start practising Function notation straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.