Q. 7

Mark the Correct A. x(7, 11)

B. x[11, 7]

C. x(∞, 7) (11, ∞)

D. x(∞, 7) [11, ∞)

Answer :

|x + 2| ≤ 9

-9 ≤ x + 2 ≤ 9


-11 ≤ x ≤ 7


x [-11, 7]

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