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Edexcel A Level - Functions

Functions, Composites, Inverses & Models

Edexcel 9MA0/01 Jun 2023 A2 Exam Q. 7 :   8 marks in 9:36 min.
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Edexcel 9MA0/01 Jan 2023 A2 Mock Q. 3 :   6 marks in 7:12 min.
Edexcel 9MA0/02 Jun 2022 A2 Exam Q. 10 :   8 marks in 9:36 min.
Edexcel 9MA0/01 Dec 2021 A2 Mock Q. 5 :   8 marks in 9:36 min.
Edexcel 9MA0/02 Nov 2021 A2 Exam Q. 2 :   5 marks in 6:00 min.
Edexcel 9MA0/01 Oct 2020 A2 Exam Q. 4 :   5 marks in 6:00 min.
Edexcel 9MA0/01 Mar 2020 A2 Mock Q. 11 :   6 marks in 7:12 min.
Edexcel 9MA0/02 Jun 2019 A2 Exam Q. 6 :   10 marks in 12:00 min.
Edexcel 9MA0/02 Jun 2019 A2 Shadow Exam Q. 6 :   10 marks in 12:00 min.
Edexcel 9MA0/01 Jan 2019 A2 Mock Q. 4 :   10 marks in 12:00 min.
Edexcel 9MA0/02 Jun 2018 A2 Exam Q. 1 :   6 marks in 7:12 min.
Edexcel 9MA0/01 May 2018 A2 Mock Q. 10 :   13 marks in 15:36 min.
Edexcel 9MA0/02 May 2017 A2 Sample Exam Q. 4 :   5 marks in 6:00 min.
Graphs of functions on two-part domain
Explore the graphs of functions and their inverses
Domain and Range of Function
The line $y = a{x^3} - x$ is displayed for the domain $d \le x \le e$.

Observe how the choice of domain affects the range.

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Inverse Functions
Use this display to explore the composition of functions with their inverses. Move the drag point. If f(x) and g(x) are inverses then gf(x) should equal x. Try each of the 14 combinations provided. Why is it that sometimes gf(x) is not x?
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