The function g(x) is defined as g(x) = 2x + 7, {x , x > 0}.

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The function g(x) is defined as g(x) = 2x + 7, {x ∈ ℝ, x > 0}.

a. Sketch y = g(x) and find the range.

b. Determine y = g−1(x), stating its range.

c. Sketch y = g−1(x) on the same axes as y = g(x), stating the relationship between the two graphs.

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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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