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?? - 2015 q2

​2. Given that 
Picture
(a) sketch, on separate diagrams, the curve with equation 

i) y = f(x)

ii) y = |f(x)|

On each diagram, show the coordinates of each point at which the curve meets or cuts the axes. On each diagram state the equation of the asymptote. (6)

​(b) Deduce the set of values of x for which f(x) = |f(x)|           (1)

(c) Find the exact solutions of the equation |f(x)| = 2              (3)
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