Respuesta :

For translations of functions we have:
 Suppose that k> 0
 
                 To graph y = f (x) + k, move the graph of k units up.
 
                 To graph y = f (x) -k, move the graph of k units down.
 Answer:
 
logb (x) +4 = logb (x) moved 4 units up
 
option three