Use interval notation to represent each set of numbers.

1. -15 < x < 0

A: (-15, 0)?

Rewrite each set in the indicate notation.

2. (Negative infinity, 3] or (5, 11]; words.

A: ?

1 answer

1: correct
2: (∞,3]U(5,11]
all values less than or equal to 11, except those greater than 3 and less than or equal to 5.