Algebra 2
posted by Victoria .
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: ?

Algebra 2 
Steve
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.
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