Step-by-step explanation:




 
        
             
        
        
        
A function is a relation that has one output for a given input.
For the first one, there is no one x value with two or more y values so it is a function.
The second example is also a function because a certain value can only have one cube root.
For problem number 3 input "-3" for every instance of x in h(x). 
So, h(-3)=2(3^2)-1= 17
 
        
             
        
        
        
The answer is: (4,0), (0,4)
 
        
        
        
Answer:
you need to put a picture or type the equations of the proportion cause nobody will know what you mean 
Step-by-step explanation:
which equation is a true proportion 
what are the equations? 
 
        
                    
             
        
        
        
Step-by-step explanation:
597 rounding would be 600 while 52 would be 50.
So 600 x 50 
= 30,000