3. The quadratic functions f and g are defined by f(x) = 4x + p, xeR %3D 8(x) = x +qx+ p, xER where p.q andr are mon-zero constants such that p=-2r and q =-3r. Given that (x+r) is a factor of f and g. Determine the value of p, q and r. Hence, factorise / and g completely. [10 marks] C3, CLO 3, PLO4, PEO 3, MQF LOD 6

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