This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
You're on a roll — The symbol - represents negative infinity. It is not a number, but a concept used in mathematics to describe a value that is smaller than any real number and decreases without bound. It's often used to denote the lower end of an interval on the number line, such as in the solution to an inequality like x ≤ -5, which can be written as (-, -5]. Got more? Send 'em.