The function f(x) is defined by f : x x 2 + 6x 4, x

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The function f(x) is defined by f : x ↦ x² + 6x − 4, x ∈ ℝ, x > a, for some constant a.

a. State the least value of a for which f⁻¹ exists.

b. Given that a = 0, find f⁻¹, stating its domain.

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

ISBN: 9781292183404

1st Edition

Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran

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Question Posted: Aug 05, 2023 01:55 AM

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The function f(x) is defined by f : x x 2 + 6x 4, x

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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