Answer: A
Step-by-step explanation: because I had that same test last year
 
        
                    
             
        
        
        
She swims for 2.5 hours at a rate of 2 km/hr
Multiply 2.5 * 2 = 5 km
        
             
        
        
        
You can perform the horizontal line test on the original to see if the inverse will be a function.  You will not perform the horizontal line test on the inverse.
        
                    
             
        
        
        


 this is also 

 to: 

Your answer would probably be: 

Good luck on your assignment and enjoy your day! 
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