Eric Nicholas K's answer to Rachel's Junior College 1 H2 Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Q1 not done yet, but all my rubbish writing is just simply to point to the fact that I am going to find the maximum and minimum points of the curve. This then decides the highest possible and lowest possible y-values of the graph.