Friday, July 31, 2009

What is Another way to describe the set (- 4 , 7 )?

Out of the following





a) The set of all numbers which are greater than -4 or less than 7.


b) The set of all numbers that are less than 7 or greater than - 4


The set of all numbers which are greater than - 4 and less than 7.


c) The set of all numbers which are greater than - 4 and greater than 7





d) The set of all numbers that are less than 7 and less than - 4

What is Another way to describe the set (- 4 , 7 )?
The set is (-4 , 7) meaning all the numbers which lie in the range of -4 to +7 excluding -4 and +7 i..e, the set is: {-3,-2,-1.....,4,5,6}. Described as: the set of all numbers which are greater than - 4 and less than 7.





If the set was [-4,7] instead, then the answer would have been: The set of all numbers which are greater than or equal to- 4 and less than or equal to 7.
Reply:A





I'm taking this class now and "A" is the correct answer!
Reply:The set of all numbers which are greater than - 4 and less than 7.
Reply:The set of all numbers which are greater than - 4 and less than 7


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