El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{6 x} x = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = -93.3859435641304$$
$$x_{2} = -47.3923657462765$$
$$x_{3} = -97.3856779332234$$
$$x_{4} = -101.385433688296$$
$$x_{5} = -43.3935995163912$$
$$x_{6} = -5.56389762880346$$
$$x_{7} = -49.3918270477381$$
$$x_{8} = -27.4024318989858$$
$$x_{9} = -67.388462638586$$
$$x_{10} = -23.4067126659642$$
$$x_{11} = -65.3887420484348$$
$$x_{12} = -25.4043884996046$$
$$x_{13} = -79.3870895834467$$
$$x_{14} = -61.3893573582287$$
$$x_{15} = -85.3865512986458$$
$$x_{16} = -87.3863886860237$$
$$x_{17} = -81.3869011116302$$
$$x_{18} = -17.4173374335761$$
$$x_{19} = -31.3993199729743$$
$$x_{20} = -19.4129751413295$$
$$x_{21} = -39.3950976523916$$
$$x_{22} = -29.4007619756022$$
$$x_{23} = -75.3874973564366$$
$$x_{24} = -51.3913320193907$$
$$x_{25} = -9.45905405999644$$
$$x_{26} = -103.385318794352$$
$$x_{27} = -11.4417869588292$$
$$x_{28} = 0$$
$$x_{29} = -63.3890396743785$$
$$x_{30} = -53.3908755563758$$
$$x_{31} = -91.3860852968104$$
$$x_{32} = -15.4230177001815$$
$$x_{33} = -89.3862335187239$$
$$x_{34} = -41.3943104955653$$
$$x_{35} = -13.4307238408575$$
$$x_{36} = -21.4095189464519$$
$$x_{37} = -55.3904533198466$$
$$x_{38} = -37.3959739307627$$
$$x_{39} = -83.3867219056926$$
$$x_{40} = -45.3929541627989$$
$$x_{41} = -7.4899952959196$$
$$x_{42} = -71.387952162544$$
$$x_{43} = -99.3855533022583$$
$$x_{44} = -95.385807903624$$
$$x_{45} = -33.398062176249$$
$$x_{46} = -57.3900615984483$$
$$x_{47} = -35.3969553852839$$
$$x_{48} = -59.389697198815$$
$$x_{49} = -69.3881998218577$$
$$x_{50} = -73.3877183859508$$
$$x_{51} = -77.3872880589524$$