Kai Chew's answer to Macdaddy's Secondary 3 E Maths Singapore question.

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Kai Chew
Kai Chew's answer
50 answers (Tutor Details)
b) when x=0,
y = x^2 + 2x - 3
y = 0^2 + 2(0) - 3
y= -3
R(0,-3)