Lee Wei Hao's answer to Erin's Junior College 1 H2 Maths question.

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Lee Wei Hao
Lee Wei Hao's answer
127 answers (Tutor Details)
1st
I think you calculated wrongly.
Erin
Erin
7 years ago
Oh yaa omg thanks
Mark Thong
Premium Tutor
Mark Thong
7 years ago
For y=8,
t can be -2.37 too,
which is within the range of the parameters.

But this t= -2.37 does not yield x = 3, so is rejected.