The equation of a curve is \(y=a(x+b)^2+c\), where \(a\), \(b\) and \(c\) are constants. The solutions of \(a(x+b)^2+c=0\) on the graph are \(-2\) and \(8\), and the maximum value of \(y\) is \(3\). Find the values of \(a\), \(b\) and \(c\).[3]
Using the values of \(a\), \(b\) and \(c\) found in (a), sketch the graph of \(y=a(x+b)^2+c\).[2]
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