Chapter 1: Sets

Exercise

Question

Question: 6 (iv)

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Write the following intervals in set-builder form:

(iv) [-23, 5)

Answer

1
Write the set in set-builder form using the given interval notation.
Answer: {x : x $∈$ R, -23 $≤$ x $<$ 5}
Reason: Since the interval is closed at the left end and open at the right end, the left endpoint is included and the right endpoint is excluded. Therefore, -23 $≤$ x $<$ 5
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