The function f is defined as f(x) = x 2 2x + 2, x. a. Write
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The function f is defined as f(x) = x2 − 2x + 2, x ∈ ℝ.
a. Write f(x) in the form (x + p)2 + q, where p and q are constants to be found.
b. Hence, or otherwise, explain why f(x) > 0 for all values of x, and find the minimum value of f(x).
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a To write fx in the form x p2 q we need to complete the square Let...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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