How do you write the following in interval notation: $x>3$ and $x ≤ 7$ ?

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Answer 1 · 2018-03-10T16:50:55

In interval notation, you use a parenthesis to signify an inequality with out an or equal to operator.

You use a bracket to signify an inequality with an or equal to operator.

$x > 3$ and $x <= 7$ would be written as: $(3, 7]$

How do you write the following in interval notation: x>3x>3 and x ≤ 7x ≤ 7?