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(i)

Graph of 3i
Graph of 3i

(ii)
Using the GC, we find the intersection point to be (1,2).

\therefore, x \textless \frac{1}{2} ~\mathrm{or}~ x>2.

KS Comments:

A very straight forward questions. Students just need to be alert in drawing the graph, labelling features of the graph as required.

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