Studio di Funzioni  - pag. 496  n.46

 

 

studio due funzioni e poiché il modulo è positivo per    

 per                 per x<1

 

Studio la prima funzione

C.E.  qualsiasi  x

 

Positività

 

 

Asintoti Verticali

Non ne ha

 

Asintoti Orizzontali

   y=0 asintoto orizzontale

    

 

Derivata:

  da cui      

             

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

 

Studio la seconda  funzione

C.E.  qualsiasi  x

 

Positività

 

 

Asintoti Verticali

Non ne ha

 

Asintoti Orizzontali

   y=0 asintoto orizzontale

   

 

Derivata:

  da cui