El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\sqrt{x - 3} \left(x - 3\right) = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 3$$
Solución numérica$$x_{1} = 3.00000000436422$$
$$x_{2} = 3.00000000214599$$
$$x_{3} = 2.99999999480889$$
$$x_{4} = 3.00000000385232$$
$$x_{5} = 2.99999999412636$$
$$x_{6} = 3.00000000589991$$
$$x_{7} = 2.99999999822155$$
$$x_{8} = 3.00000000316979$$
$$x_{9} = 2.99999999293194$$
$$x_{10} = 2.99999999139625$$
$$x_{11} = 2.99999999207878$$
$$x_{12} = 3.00000000043951$$
$$x_{13} = 2.99999999344383$$
$$x_{14} = 2.99999999719775$$
$$x_{15} = 3.00000000299916$$
$$x_{16} = 3.00000000828875$$
$$x_{17} = 2.99999999856283$$
$$x_{18} = 2.99999999805092$$
$$x_{19} = 2.9999999932732$$
$$x_{20} = 3.00000000743559$$
$$x_{21} = 2.99999999651521$$
$$x_{22} = 2.99999999549142$$
$$x_{23} = 2.99999999924541$$
$$x_{24} = 3.00000000555864$$
$$x_{25} = 3.00000000794749$$
$$x_{26} = 2.99999999276131$$
$$x_{27} = 3.00000000777686$$
$$x_{28} = 2.99999999685648$$
$$x_{29} = 3.00000000334042$$
$$x_{30} = 3.00000000026874$$
$$x_{31} = 3.00000000419359$$
$$x_{32} = 3.00000000760623$$
$$x_{33} = 2.99999999429699$$
$$x_{34} = 3.00000000453485$$
$$x_{35} = 2.99999999975755$$
$$x_{36} = 3.00000000521738$$
$$x_{37} = 2.99999999890411$$
$$x_{38} = 3.0000000064118$$
$$x_{39} = 3.00000000163408$$
$$x_{40} = 2.99999999668585$$
$$x_{41} = 2.99999999753901$$
$$x_{42} = 3.00000000538801$$
$$x_{43} = 2.99999999634458$$
$$x_{44} = 3.00000000726496$$
$$x_{45} = 2.99999999310257$$
$$x_{46} = 3.00000000470548$$
$$x_{47} = 2.99999999873347$$
$$x_{48} = 3.00000000487611$$
$$x_{49} = 3.0000000012928$$
$$x_{50} = 2.99999999958677$$
$$x_{51} = 3.00000000607054$$
$$x_{52} = 3.00000000282852$$
$$x_{53} = 2.9999999937851$$
$$x_{54} = 3.00000000658243$$
$$x_{55} = 2.99999999770965$$
$$x_{56} = 2.99999999839219$$
$$x_{57} = 3.00000000078086$$
$$x_{58} = 3.0000000069237$$
$$x_{59} = 2.99999999156688$$
$$x_{60} = 3.00000000572927$$
$$x_{61} = 2.99999999907476$$
$$x_{62} = 3.00000000095151$$
$$x_{63} = 3.00000000231662$$
$$x_{64} = 3.00000000368169$$
$$x_{65} = 3.00000000709433$$
$$x_{66} = 2.99999999702711$$
$$x_{67} = 2.99999999992899$$
$$x_{68} = 3.00000000112216$$
$$x_{69} = 2.99999999122562$$
$$x_{70} = 2.99999999532079$$
$$x_{71} = 2.99999999736838$$
$$x_{72} = 2.99999999600332$$
$$x_{73} = 2.99999999941608$$
$$x_{74} = 3.00000000197535$$
$$x_{75} = 3.00000000265789$$
$$x_{76} = 3.00000000675307$$
$$x_{77} = 2.99999999617395$$
$$x_{78} = 3.00000000811812$$
$$x_{79} = 3.00000000504675$$
$$x_{80} = 2.99999999515015$$
$$x_{81} = 2.99999999242004$$
$$x_{82} = 3.00000000180472$$
$$x_{83} = 2.99999999361447$$
$$x_{84} = 2.99999999463826$$
$$x_{85} = 2.99999999788028$$
$$x_{86} = 2.99999999446763$$
$$x_{87} = 3.00000000402295$$
$$x_{88} = 2.99999999190815$$
$$x_{89} = 2.99999999173752$$
$$x_{90} = 3.00000000248726$$
$$x_{91} = 3.00000000146344$$
$$x_{92} = 2.99999999566205$$
$$x_{93} = 3.00000000624117$$
$$x_{94} = 2.99999999497952$$
$$x_{95} = 2.99999999395573$$
$$x_{96} = 2.99999999224941$$
$$x_{97} = 3.0000000006102$$
$$x_{98} = 3.0000000000975$$
$$x_{99} = 2.99999999259067$$
$$x_{100} = 2.99999999583268$$
$$x_{101} = 3.00000000351106$$