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.
[2]
(iii) Given that y = 9x - 9 is the equation of the tangent to the curve at the point A, find the coordinates
of A.

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?