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Inverse and Composite Functions

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Question 9

The function $f\,$ is defined such that

f (x) = 3 x - 2

Find $f^{-1}(x)$

[2]

The function $g\,$ is defined such that $g(x) = kx^2$ where $k\,$ is a constant. Given that $f g (2) = 7$ , work out the value of $k$ .

[2]

Markscheme

Inverse and Composite Functions Questions

GCSE
Maths
Inverse and Composite Functions

136 exam-style questions on Eduqas GCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.

Inverse and Composite Functions

Question bank

Inverse and Composite Functions

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Question 9

The function $f\,$ is defined such that

f (x) = 3 x - 2

Find $f^{-1}(x)$

[2]

The function $g\,$ is defined such that $g(x) = kx^2$ where $k\,$ is a constant. Given that $f g (2) = 7$ , work out the value of $k$ .

[2]

Markscheme

Inverse and Composite Functions Questions

GCSE
Maths
Inverse and Composite Functions

136 exam-style questions on Eduqas GCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.