Don’t open the link the other person put in, it a virus
        
             
        
        
        
Answer:
B. The range of the function is all real numbers 
 
        
             
        
        
        
Answer:
113   23   67
Step-by-step explanation:
look at the angles and arcs 
 
        
             
        
        
        
That would be a variable, x being one of the most commonly used variables to represent unknown numbers.
        
             
        
        
        
Answer:
A
Step-by-step explanation:
Just switch the orders around where it is going from the highest power to the lowest power