Jonathon Foo's answer to Kally wilson's Secondary 2 Maths question.

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Jonathon Foo
Jonathon Foo's answer
1 answers (Tutor Details)
1st
AB includes all the numbers between -1 and 5, including -1 and 5. So AB= -1, 0, 1, 2, 3, 4, 5 or -1<=AB<=5