a. Find the least value of k for which f is one-one. b. Find an expression for
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a. Find the least value of k for which f is one-one.
b. Find an expression for f−1(x).
f : x ↦ 2x2 + 12x − 14 for x ∈ ℝ, x ≥ k
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a For f to be oneone each yvalue must have a unique xvalue In other wor...View the full answer
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Related Book For 
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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