The answer should be the first one exponential
        
             
        
        
        
The answer is 2 cause you have to do the asides individually
        
                    
             
        
        
        
Answer: Union of two sets.
Explanation: "An element is in the union of two sets if it is in the first set, the second set, or both. The symbol we use for the union is  ∪ . The word that you will often see that indicates a union is "or".
Your Welcome :-)
 
        
             
        
        
        
The correct answer is <span>1 and 1/2
Hope I helped</span>