1.\:\:horizontal\:asymptotes\:\ln(x)
                                
                             
                                                    
                                
                                    2.\:\:horizontal\:asymptotes\:\log_{2}(x)
                                
                             
                                                    
                                
                                    3.\:\:horizontal\:asymptotes\:\log_{3}(x)
                                
                             
                                                    
                                
                                    4.\:\:horizontal\:asymptotes\:\log_4(x-1)
                                
                             
                                                    
                                
                                    5.\:\:horizontal\:asymptotes\:2+\log_2(4+x)
                                
                             
                                                    
                                
                                    6.\:\:horizontal\:asymptotes\:\ln(e+x)
                                
                             
                                                    
                                
                                    7.\:\:horizontal\:asymptotes\:-\log_2(x-1)
                                
                             
                                                    
                                
                                    8.\:\:horizontal\:asymptotes\:\log_2(2+x)-4
                                
                             
                                                    
                                
                                    9.\:\:horizontal\:asymptotes\:2\log_{10}(x)
                                
                             
                                                    
                                
                                    10.\:\:horizontal\:asymptotes\:2\log_2(2+x)-1