Tham KY's answer to Ethan Ow Yong's Secondary 4 A Maths question.

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Tham KY
Tham Ky's answer
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Ethan Ow Yong
Ethan Ow Yong
6 years ago
Thanks
Ethan Ow Yong
Ethan Ow Yong
6 years ago
Why we don't include the 1/3?
Tham KY
Tham KY
6 years ago
The pair of inequality (I put in red) has only range x<=0, did not overlap the range of the other pair (in green). If 1/3 is included, the value cannot fit into the red inequality.