+0  
 
0
106
1
avatar+16 

If A = {x ∈ ℝ / x < 1}, B = {x ∈ ℝ / – 1 < x ⩽ 3} and C = {x ∈ ℝ / x ⩾ 0}, the set that represents (A ⋂ B) – C is:

 

 Mar 25, 2021
 #1
avatar+121004 
+1

A =  ( -inf, 1 )

 

B =  (-1 3]

 

C = [ 0, inf )    

 

A ∩ B  = (-1, 1)

 

(A ∩ B ) - C  =   (-1, 0)  = first choice

 

cool cool cool

 Mar 25, 2021

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