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Which notation is equivalent to the inequality -3 < x ≤ 7?
(1) [-3,7] (3) [-3,7)
(2) (-3,7] (4) (-3,7)


Sagot :

The notation that is equivalent to -3 < x ≤ 7 is (2) (-3, 7].

   |---|---|---|---|---|---|---(---|---|---|---|---|---|---|---|---|---]---|---|---|
-10 -9 -8  -7 -6  -5  -4 -3  -2  -1  0    1  2    3  4    5   6   7  8   9  10