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Functions
Topic practice
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Before you start
Write in black pen. Draw graphs and diagrams in pencil.
Write each answer in the space under its question.
Show your working: a correct method can earn marks even when the answer is wrong.
Questions marked need a calculator.
About this exam
Marks for each part are in brackets, like (3).
Read each question through once before you start writing.
Original MathedUp practice material: a topic collection, not an exam paper and not modelled on the format of one. Not affiliated with, endorsed by or produced by any exam board.
Sitting · www.mathedup.co.uk
1mark
1Foundation
1 of 50
Functions exam questions for GCSE maths, with worked solutions
Practise functions with exam questions written the way GCSE Higher papers test them: function machines, working out f(x) for a value, composite functions such as fg(x), inverse functions, and equations that combine them. Every question comes with a worked solution and an answer, and Remix gives you a fresh version with new numbers whenever you want another go.
52 questions: 51 Higher and 1 Foundation. Every question has a worked solution and an answer. Type your answers in and the page marks them as you go.
What the questions cover
Function machines, worked forwards and backwards
Function notation: working out f(x) for a given value
Composite functions such as fg(x) and gf(x)
Inverse functions, including the inverse of a composite function
Solving equations that involve composite and inverse functions
Graphs of inverse functions, and judging claims about function notation
How to use this page
Remix gives you a new version of the question in front of you, with new numbers.
New sitting refreshes every question at once.
Solution shows the full working, and Answer shows just the answer.
All questions lists the whole collection, and Scroll puts every question on one page.
Original MathedUp questions, written to practise the skills GCSE papers test. These are not past exam papers, and MathedUp is not affiliated with any exam board.
