| Exam Board | AQA |
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| Module | Paper 1 (Paper 1) |
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| Year | 2018 |
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| Session | June |
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| Topic | Composite & Inverse Functions |
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4 The function f is defined by \(\mathrm { f } ( x ) = \mathrm { e } ^ { x - 4 } , x \in \mathbb { R }\)
Find \(\mathrm { f } ^ { - 1 } ( x )\) and state its domain.