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Given that $f(x) = 2x^{3} - 5x^{2} - 4x + 3$ and the intercepts of $f(x)$ are $(-1;0), (\frac{1}{2};0)$ and $(3;0)$

1. Determine the coordinates of the turning points (stationary points) and the point of inflection of $f(x)$
2. Draw a neat graph of $f(x)$. Clearly indicate the coordinates of the intercepts with the axes as well as the coordinates of the turning and inflection points.
3. Detyermine the equation of the tangent to the graph of $f(x) = 2x^{3} - 5x^{2} - 4x +3$ at the point where $x=1$
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