Algebra 2
posted by Victoria on .
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: 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.