KumiswaImfundo FAQ futhi esikoleni

Lolu cwaningo izici Wabasaqalayo

Umsebenzi nge notation ngokuthi endaweni ofanayo, lapho inombolo ngayinye x kusukela isethi ethile lihlotshaniswa inombolo ethile ngokuphelele y.

Umsebenzi ngokuvamile ezikhonjiswe ngezincwadi Latin. Cabanga noma yisiphi f Ngokwesibonelo. I y inombolo, okuhambelana inani x, ngokuthi ukubaluleka f azinikeza iphuzu x ethize. Ingabe njengoba: f (x). Esizindeni f umsebenzi - kuyinto D (f). Le ndawo esakhiwa wonke amanani we f umsebenzi (x), lapho x agumenti kusizinda ngokuthi kwesizinda uyakwazisa f. Wakhe bunjesi: E (f).

Ezimweni eziningi, umsebenzi esabekwa amafomula. Ngakho, ngaphandle kuchazwe ezengeziwe izingqinamba esifundeni isiqu umsebenzi, okuyinto kuchazwe ifomula, kuzoxoxwa njengoba sesethi yamanani variable, futhi ifomula enjalo eyenzekayo.

Inyunyana amaqoqo amabili iqoqo, isici ngasinye singase eyakhe futhi basonta okungenani eyodwa lishona idatha.

Ukuze akhombise izinombolo umsebenzi endaweni isiqu x ezinye incwadi akhethiwe, ngokuthi variable ezimele noma impikiswano.

ezindaweni lapho ububanzi bamanani kanye endaweni isiqu akuyona amasethi zezinombolo zivame ukubonakala.

Lapho isifundo esiphathelene umsebenzi, izibonelo kungabonwa ngosizo ihluzo. Igrafu yomsebenzi yiyona iqoqo amaphuzu kwi Ukudidiyela indiza, lapho i-agumenti "siphela" zonke indawo ekhethiwe. Ukuze uthole isethi engezansi indiza Ukudidiyela kwaba igrafu umsebenzi, kubalulekile ukuthi isethi engezansi okungenani oyedwa iphuzu enibaziyo iyiphi parallel umugqa abscissa.

Umsebenzi ucingo isethi ezikhulayo uma inani eliphakeme lwempikiswano kunani esinjalo uhambelana umsebenzi ephakeme, zenyuka isethi - uma inani eliphezulu kakhulu agumenti oluhambisana ukubaluleka ezijulileyo umsebenzi.

Phakathi umsebenzi ucwaningo kuyanda futhi ekwehleleni ngesidingo ukuqoka ukwanda nokwehla wobude.

Umsebenzi ubizwa ngokuthi umusi uma, ngokuba iyiphi i-agumenti nge indawo yayo ukuqokwa okumele f (-X) = f (x), noma ayibhangqiwe - uma kukhona ingxabano nge notation sizinda f (-X) = - f (x). Ngaphandle kwalokho, igrafu umsebenzi pair kuyoba isihlobo lesinesitfombe-sibuko kuya y-eksisi, kanye igrafu ayibhangqiwe - ziyalingana mayelana iphuzu (0, 0).

Ukuze ugweme amaphutha uma imisebenzi eyenziwa isifundo, kumelwe ufunde ukuthola izici isici. Ukuze wenze lokhu, kufanele wenze izinyathelo ezilandelayo:

1. Thola ukuqokwa ndawo.

2. Feza isheke ukubhanqa noma ayibhangqiwe, kanye nobuningi.

3. Kuyadingeka ukuthola iphuzu igrafu reticle nge ukuqondanisa abscissa.

4. Kuleli qophelo, udinga ukuthola ngezikhawu lapho umsebenzi inenani omuhle, futhi lapho - ezingezinhle. Lezi ngezikhawu abizwa ngokuthi ngezikhawu ngezibonakaliso njalo. Lokhu kusho ukuthi kudingeka sithole iphi schedule - ngenhla noma ngezansi x-axis.

5. kakhulu lula umsebenzi wokwakha idatha kugrafu ukuthi ezinye izikhala umsebenzi ukhula, futhi abanye liyancipha. izikhala ezinjalo ngokuthi ngezikhawu Isikhala wokukhula ekwehleleni.

6. Manje udinga ukuthola amagugu umsebenzi ngesikhathi amaphuzu lapho ukukhula esikhundleni yehla, noma okuphambene nalokho.

umsebenzi Ukutadisha okunjalo kwenza kube nokwenzeka ukuba icebo igrafu. Ngaphezu kwalokho, kubalulekile ukuba ukuthola iphuzu kakhulu. Kuyini lokhu?

Iphuzu liwukuthi iphuzu ubuncane, uma ubheke wonke amanani KWEMIBONO nge uhla ethile iphuzu kuyoba nje ukungalingani f (x)> f (x0).

Iphuzu liwukuthi iphuzu isiqongo, uma ubheke wonke amanani kokuxabana iphuzu ububanzi kuyoba nje f ukungalingani (x)

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