3) The curve y = (1-x)(x2 + 4x + k) has a stationary point when x = -3.
(i) Find the value of the constant k.
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(ii) Determine whether the stationary point is a maximum or minimum point.
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(iii) Given that y = 9x - 9 is the equation of the tangent to the curve at the point A, find the coordinates
of A.