The functions m and n are defined as m(x) = 2x + k, x , n(x)

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The functions m and n are defined as m(x) = −2x + k, x ∈ ℝ, n(x) = 3|x − 4| + 6, x ∈ ℝ, where k is a constant. The equation m(x) = n(x) has no real roots. Find the range of possible values for the constant k.

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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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