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Respuestas:

 

                            1)          P= (-1,0) ; P= (1,0)

                            2)          Dom f(x) = (4,+∞)

Int. Crec. = (4; 6,72)

               Int. Decrec. = (6,72; +∞)

               Max. Local = (e+4, 1/e)

               Min. Local = No hay

                            3)          senx – (2x⁶ + 3)^-2  + C

                                24

                            4)          A = 64

                      3