Mark Thong's answer to Wendy's Secondary 3 A Maths question.

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Mark Thong
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Mark Thong's answer
168 answers (Tutor Details)
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Mark Thong
Premium Tutor
Mark Thong
6 years ago
Q4
Mark Thong
Premium Tutor
Mark Thong
6 years ago
Error:
I have misread 4 as the maximum instead of the minimum value.
Hence the value of c and the graph here is not correct.

I have uploaded below an updated version of the answer that correctly take 4 as the minimum. Have a look.