The function m(x) is defined by m(x) = x 2 + 4x + 9, x ,

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The function m(x) is defined by m(x) = x2 + 4x + 9, x ∈ ℝ, x > a, for some constant a.

a. State the least value of a for which m−1(x) exists.

b. Determine the equation of m1(x).

c. State the domain of m−1(x).

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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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