9709 P12 - Jun 2015 - Q11I - 3 marks
331
The function \(f\) is defined by \(f : x \mapsto 2x^2 - 6x + 5\) for \(x \in \mathbb{R}\).
Find the set of values of \(p\) for which the equation \(f(x) = p\) has no real roots.
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