Check you understand how substitution works in algebra.
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in the regions below to substitute the above functions. You may need to
click more than once. Click with the right button to start again.
Software/Applets used on this page HotEqn is a Java applet to view and display mathematical equations on the Web. The applet uses the familiar LaTeX notation to code its equations. Fontsizes are variable, so the applet can be used to display inline equations as well.
Glossary variable A value which is unknown and free to vary, often denoted by x or y.
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This question appears in the following syllabi: Syllabus Module Section Topic Exam Year AP Calculus AB (USA) 2 Algebra and Functions Functions - AP Calculus BC (USA) 2 Algebra and Functions Functions - AQA A-Level (UK - Pre-2017) C3 Algebra and Functions Functions - CCEA A-Level (NI) C4 Algebra and Functions Functions - Edexcel A-Level (UK - Pre-2017) C3 Algebra and Functions Functions - I.B. Higher Level 2 Algebra and Functions Functions - I.B. (MSSL) 4 Algebra and Functions Functions - I.B. Standard Level 2 Algebra and Functions Functions - OCR A-Level (UK - Pre-2017) C3 Algebra and Functions Functions - OCR-MEI A-Level (UK - Pre-2017) C3 Algebra and Functions Functions - Scottish Highers M1 Algebra and Functions Functions - WJEC A-Level (Wales) C3 Algebra and Functions Functions - CIE A-Level (UK) P1 Algebra and Functions Functions - Methods (UK) M2 Algebra and Functions Functions - Pre-U A-Level (UK) 1 Algebra and Functions Functions - Scottish Advanced Highers M1 Algebra and Functions Functions - Scottish (Highers + Advanced) HM1 Algebra and Functions Functions - Universal (all site questions) A Algebra and Functions Functions - CBSE XI (India) Sets and Functions Relations & Functions Elementary functions: exp, log sign, polynomial, rational - CBSE XII (India) Relations and Functions Relations & Functions Types of relations, reflexive, symmetric, transitive and equivalence - Edexcel A2 Maths 2017 Pure Maths Functions and Graphs Functions and Mappings - AQA A2 Maths 2017 Pure Maths Functions and Transformations Functions and Mappings - OCR A2 Maths 2017 Pure Maths Functions and Transformations Functions and Mappings - OCR MEI A2 Maths 2017 Pure Maths Functions and Transformations Functions and Mappings - Edexcel AS/A2 Maths 2017 Pure Maths Functions and Graphs Functions and Mappings - AQA AS/A2 Maths 2017 Pure Maths Functions and Transformations Functions and Mappings -
More in this topic
1 Introduction
2 Match Composite Functions 2
3 Investigate Odd and Even Functions
4 Explore Composite Functions 2
5 Function notation
6 Evaluating
7 Values of functions
8 Values of functions 2
9 Values of functions 3
10 Values of functions 4
11 Composition 3
12 Composition 4
13 Composition 5
14 Composition 6
15 Composition 7
16 Composition 8
17 Composition 9
18 Composition 10
19 Even functions
20 Even functions 2
21 Even functions 3
22 Odd functions
23 Odd functions 2
24 Odd functions 3
25 O-test 3
26 O-test 4
27 O-test 5
28 True or false O-test 1
29 True or false O-test 2
30 O-test 6
31 Matching O-test 1
32 Matching O-test 2
33 Exam O-test
34 Exam timed O-test
35 Exam Question
36 Exam Question
37 Exam Question
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