Q15. Which of the following statement is true? < I. p + q = p + q when p≥ 0 and q ≥ 0< II. |pq|lp|lq| when p ≤ 0,q ≤ 0 and [p] ≥ |q|< = III. |pq|≤||pl|al| (a) I and II are correct (b) II and III are correct (c) I and III are correct

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A: We have: X=x  x≥8=[8,∞)Y=x  x&lt;7=(-∞,7)

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Q: Determine the intersection X ∩ Y. Express the in interval notation. X = {x/ x>equal 8} and Y =…

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Q: Determine the union X ∪ Y. Express them in interval notation. X = {x/x>-17 } and Y = {x/x<equal-10…

A: Introduction: The number of elements carried by the operation and executing the results of a…