# How do you solve and write the following in interval notation: #x ≥ -1#?

##### 1 Answer

Jun 28, 2016

#### Answer:

#### Explanation:

**Brackets** mean that the value is included. For example:

From this I can already tell

**Parentheses** indicate that the value is not included. For example:

From this we can identify that

**Whenever infinity, or #oo#, is used, the symbol must always be parentheses.**