Answer:
A.  :)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
4 - z
  —---
    2  
Step-by-step explanation:
 
        
             
        
        
        
Answer:
when entering values of x in the function, it is observed that for k = 7 the results of f (x) displace 10 units. For this see the attached table. Therefore, for this case, the correct answer is k = 7 and the way to solve it is to substitute values of x in the given functions and see the results of f (x).
so K=7
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
x = 3
Step-by-step explanation:
cambia los signos : x - 2x-1=8-3x-3
like terms : -x-1=5-3x
variable: -x+3x=5+1 --> 2x=6
dividir: x=3