How do you express intervals as inequalities such as (-4,-2)?

Mara Cook

Mara Cook

Answered question

2022-06-16

How do you express intervals as inequalities such as (-4,-2)?

Answer & Explanation

Abigail Palmer

Abigail Palmer

Beginner2022-06-17Added 30 answers

Step 1
Let's assume we are dealing with the interval between -4 and -2 on the real line, exclusive of the upper and lower end points.
This means we are considering all points x on the real line between -4 and -2 exclusive. That is all points x R where - 4 < x < - 2
NB: If we were considering the interval including the upper and lower end points, this could be written: - 4 x - 2 : : x

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