1.\:\:horizontal\:asymptotes\:2^{x}
                                
                             
                                                    
                                
                                    2.\:\:horizontal\:asymptotes\:3^{x}
                                
                             
                                                    
                                
                                    3.\:\:horizontal\:asymptotes\:2^{x+1}
                                
                             
                                                    
                                
                                    4.\:\:horizontal\:asymptotes\:3^{x}-1
                                
                             
                                                    
                                
                                    5.\:\:horizontal\:asymptotes\:2^{x-3}
                                
                             
                                                    
                                
                                    6.\:\:horizontal\:asymptotes\:2^{x}-3
                                
                             
                                                    
                                
                                    7.\:\:horizontal\:asymptotes\:5^{x}+3
                                
                             
                                                    
                                
                                    8.\:\:horizontal\:asymptotes\:f(x)=4^{-2x+2}
                                
                             
                                                    
                                
                                    9.\:\:horizontal\:asymptotes\:f(x)=4^{-x+1}-1
                                
                             
                                                    
                                
                                    10.\:\:horizontal\:asymptotes\:-4^{x+1}