SOLUTION: " x is less than or equal to -3" is equivalent to [-3,oo]?

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Question 650748: " x is less than or equal to -3" is equivalent to [-3,oo]?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Note: Interval Notation

• [ ] a square bracket includes end value listed, 

• ( ) a round bracket does not  Note: round bracket is used for ∞ or −∞

"x  ≤ -3 is equivalent to [-3,oo)? NO

"x  ≤ -3 is equivalent to (−∞,-3]