The diagram shows the graph of $$\(y=\mathrm{f}(x)\)$$, where $$\(\mathrm{f}(x)=\frac{3}{2} \cos 2 x+\frac{1}{2}\)$$ for $$\(0 \leqslant x \leqslant \pi\)$$. State the range of $$\(f\)$$. ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................

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