El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$2^{x} x^{2} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = -69.9769179400346$$
$$x_{2} = -71.9045728458054$$
$$x_{3} = -126.994018510642$$
$$x_{4} = -121.042722823967$$
$$x_{5} = -93.377169127408$$
$$x_{6} = -107.182730350194$$
$$x_{7} = -125.00963063256$$
$$x_{8} = -77.7191186185267$$
$$x_{9} = -99.2852805127041$$
$$x_{10} = -75.7762788620976$$
$$x_{11} = -119.060279236895$$
$$x_{12} = -87.4858292778999$$
$$x_{13} = -91.4113100019495$$
$$x_{14} = -111.138290424543$$
$$x_{15} = -64.2366191992968$$
$$x_{16} = -56.7333038824262$$
$$x_{17} = -89.4474680224896$$
$$x_{18} = -117.078565423825$$
$$x_{19} = 0$$
$$x_{20} = -58.5871447610696$$
$$x_{21} = -95.3448798616704$$
$$x_{22} = -128.978982877816$$
$$x_{23} = -73.837911435129$$
$$x_{24} = -97.3142944363738$$
$$x_{25} = -115.097628073183$$
$$x_{26} = -103.23150340121$$
$$x_{27} = -85.5266037375926$$
$$x_{28} = -81.6163764290155$$
$$x_{29} = -68.0557231415258$$
$$x_{30} = -101.257719204762$$
$$x_{31} = -62.3411967464996$$
$$x_{32} = -113.117517963633$$
$$x_{33} = -105.206536333655$$
$$x_{34} = -60.4573355667809$$
$$x_{35} = -83.5700292571554$$
$$x_{36} = -79.6659544966122$$
$$x_{37} = -54.8992797689506$$
$$x_{38} = -53.089655883654$$
$$x_{39} = -66.1419167759241$$
$$x_{40} = -109.160005860442$$
$$x_{41} = -123.025853181432$$
$$x_{42} = -51.3106526956482$$
$$x_{43} = -130.964492274942$$