These are how the graphs will look, they are color coded so have a look at the equations first.
 
        
        
        
Answer:
Step-by-step explanation:
n<-7-3
n<-10
=> n= (-infinitive ; -10)
 
        
             
        
        
        
Answer:
seven thousand
Step-by-step explanation:
 
        
             
        
        
        
Answer:   y > 4.5 or y < -4.5
You use the rule 
if |y| > k, then y > k or y < -k
where k is some positive number. In this case, k = 4.5