Express each function in the form a( x + b) 2 + c, where a, b and
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Express each function in the form a( x + b)2 + c, where a, b and c are constants and, hence, state the range of each function.
a. f(x) = x2 + 6x − 11 for x ∈ ℝ
b. f(x) = 3x2 − 10x + 2 for x ∈ ℝ
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a Completing the square fx x2 6x 11 x32 20 1x32 20 Thu...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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