The diagram shows the graph of $$\(y=\mathrm{f}(x)\)$$ and the point $$\(P(-2,11)\)$$ ． The tangent from $$\(P\)$$ touches the graph of $$\(y=\mathrm{f}(x)\)$$ at the point $$\((a, b)\)$$ ． The values of $$\(a\)$$ and $$\(b\)$$ are integers． （b）Find the equation of the tangent． Give your answer in the form $$\(y=m x+c\)$$ ． $$\(y=\)$$ ............................................ ［3］

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