Discontinous functions yog functions uas tsis yog qhov nkhaus txuas ntxiv - muaj lub qhov lossis dhia hauv daim duab. … Hauv qhov kev tshem tawm tsis tu ncua, lub ntsiab lus tuaj yeem rov txhais tau los ua kom muaj nuj nqi txuas ntxiv los ntawm kev sib piv tus nqi ntawm qhov taw tes nrog rau qhov seem ntawm txoj haujlwm.
Puas muaj nuj nqi nrog lub qhov sib txawv?
. Siv cov ntsiab lus ntawd, koj txoj haujlwm nrog " qhov" yuav tsis sib txawvvim f(5)=5 thiab rau h ≠ 0, uas pom tseeb diverges. Qhov no yog vim hais tias koj cov kab secant muaj ib qho kawg "tso rau hauv lub qhov" thiab yog li lawv yuav dhau los ua ntau thiab ntau "ntsej muag" raws li lwm qhov kawg mus txog 5.
Puas yog lub qhov uas tsis tau tshem tawm?
Tshem Tawm Tsis Txaus Siab: Qhov kev tshem tawm tsis tu ncua yog qhov taw qhia ntawm daim duab uas tsis tau txhais lossis tsis haum rau qhov seem ntawm daim duab. … Ib lub qhov a duab. Qhov ntawd yog, qhov tsis sib xws uas tuaj yeem "kho" los ntawm kev sau rau hauv ib qho taw tes.
Koj paub li cas yog tias qhov haujlwm tsis txuas ntxiv?
Yog tias cov haujlwm yam tseem ceeb thiab cov lus hauv qab tshem tawm, qhov tsis sib xws ntawm x-tus nqi uas tus denominator yog xoom yog tshem tau, yog li daim duab muaj qhov nyob hauv nws. Tom qab tshem tawm, nws tso koj nrog x – 7. Yog li ntawd x + 3=0 (los yog x=–3) yog ib qho kev tshem tawm tsis tu ncua - daim duab muaj lub qhov, zoo li koj pom hauv daim duab a.
Koj paub li cas yog tias muaj nuj nqi txuas ntxiv lossistsis tu ncua?
Ib txoj haujlwm txuas ntxiv ntawm qhov taw tes txhais tau hais tias qhov txwv ob sab ntawm qhov ntawd tshwm sim thiab sib npaug rau txoj haujlwm tus nqi. Point / tshem tawm tsis tu ncua yog thaum muaj kev txwv ob sab, tab sis tsis sib npaug ntawm qhov muaj nuj nqis.
