El gráfico de la función cruce el eje Y con f = 0
o sea hay que resolver la ecuación:
$$\left(\sqrt{y - 2}\right)^{3} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje Y:
Solución analítica$$y_{1} = 2$$
Solución numérica$$y_{1} = 2.00000000291384$$
$$y_{2} = 2.0000000042789$$
$$y_{3} = 1.99999999506484$$
$$y_{4} = 1.99999999830687$$
$$y_{5} = 1.99999999574737$$
$$y_{6} = 2.00000000189003$$
$$y_{7} = 2.00000000666775$$
$$y_{8} = 2.00000000700901$$
$$y_{9} = 1.99999999950142$$
$$y_{10} = 1.99999999677116$$
$$y_{11} = 1.99999999864815$$
$$y_{12} = 2.00000000410827$$
$$y_{13} = 2.00000000154876$$
$$y_{14} = 1.99999999967214$$
$$y_{15} = 1.9999999974537$$
$$y_{16} = 2.0000000047908$$
$$y_{17} = 2.00000000547333$$
$$y_{18} = 1.99999999233473$$
$$y_{19} = 1.99999999182283$$
$$y_{20} = 2.00000000683838$$
$$y_{21} = 1.99999999335852$$
$$y_{22} = 1.99999999933074$$
$$y_{23} = 2.00000000325511$$
$$y_{24} = 1.99999999421168$$
$$y_{25} = 2.00000000274321$$
$$y_{26} = 1.99999999898943$$
$$y_{27} = 1.99999999284662$$
$$y_{28} = 2.00000000564396$$
$$y_{29} = 1.99999999369978$$
$$y_{30} = 1.99999999660053$$
$$y_{31} = 2.00000000052486$$
$$y_{32} = 2.00000000598522$$
$$y_{33} = 1.99999999387041$$
$$y_{34} = 1.99999999352915$$
$$y_{35} = 2.00000000342574$$
$$y_{36} = 1.99999999404105$$
$$y_{37} = 1.99999999318789$$
$$y_{38} = 2.00000000120748$$
$$y_{39} = 2.00000000257257$$
$$y_{40} = 2.00000000137812$$
$$y_{41} = 1.99999999472357$$
$$y_{42} = 2.00000000803281$$
$$y_{43} = 1.99999999131094$$
$$y_{44} = 1.99999999625926$$
$$y_{45} = 2.00000000513206$$
$$y_{46} = 2.00000000308447$$
$$y_{47} = 1.99999999523547$$
$$y_{48} = 1.99999999984306$$
$$y_{49} = 2.00000000018327$$
$$y_{50} = 2.00000000769154$$
$$y_{51} = 2.00000000359637$$
$$y_{52} = 2.00000000581459$$
$$y_{53} = 1.9999999954061$$
$$y_{54} = 1.99999999779496$$
$$y_{55} = 2.00000000069553$$
$$y_{56} = 2.00000000530269$$
$$y_{57} = 2.00000000462017$$
$$y_{58} = 2.00000000735028$$
$$y_{59} = 1.99999999557673$$
$$y_{60} = 1.99999999301725$$
$$y_{61} = 1.99999999711243$$
$$y_{62} = 2.00000000786217$$
$$y_{63} = 2.00000000393764$$
$$y_{64} = 1.99999999267599$$
$$y_{65} = 2.00000000240194$$
$$y_{66} = 1.99999999916008$$
$$y_{67} = 2.0000000022313$$
$$y_{68} = 2.00000000752091$$
$$y_{69} = 2.0000000017194$$
$$y_{70} = 2.00000000632649$$
$$y_{71} = 1.9999999916522$$
$$y_{72} = 2.00000000496143$$
$$y_{73} = 2.00000000820344$$
$$y_{74} = 2.00000000103684$$
$$y_{75} = 1.9999999969418$$
$$y_{76} = 2.000000003767$$
$$y_{77} = 1.99999999489421$$
$$y_{78} = 1.99999999216409$$
$$y_{79} = 1.99999999762433$$
$$y_{80} = 2.00000000444953$$
$$y_{81} = 1.9999999979656$$
$$y_{82} = 2.00000000615585$$
$$y_{83} = 1.99999999148157$$
$$y_{84} = 2.00000000035414$$
$$y_{85} = 1.99999999250536$$
$$y_{86} = 2.00000000837407$$
$$y_{87} = 2.00000000717965$$
$$y_{88} = 1.99999999455294$$
$$y_{89} = 1.99999999728306$$
$$y_{90} = 1.9999999964299$$
$$y_{91} = 2$$
$$y_{92} = 1.99999999199346$$
$$y_{93} = 1.99999999608863$$
$$y_{94} = 1.99999999438231$$
$$y_{95} = 1.999999995918$$
$$y_{96} = 2.00000000649712$$
$$y_{97} = 2.00000000206067$$
$$y_{98} = 2.00000000086619$$
$$y_{99} = 1.99999999881879$$
$$y_{100} = 1.99999999847751$$
$$y_{101} = 1.99999999813624$$