Question: Need assistance please Question 4 (a) Use completing the square method to find the values of x at the minimum or maximum point and state

Need assistance please

Question 4 (a) Use completing the square method to find the values of x at the minimum or maximum point and state the minimum/maximum values of the following functions. (i) f ( x) =x2+6x-6 [3 marks] (ii) f ( x)=x2-20x+5 [3 marks] (iii) f(x)=2x +16x-10 [3 marks]

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