a. Find the set of values of x for which f(x) 7. f(x) = x 2
Question:
a. Find the set of values of x for which f(x) ≥ 7.
f(x) = x2 − 2x + 4 for x ∈ ℝ
b. Express x2 − 2x + 4 in the form (x − a)2 + b.
c. Write down the range of f .
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a To find the set of values of x for which fx 7 we solve the ...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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