Qhov twg muaj nuj nqi nce ntxiv thiab lub caij nyoog uas nws txo qis?

Cov txheej txheem:

Qhov twg muaj nuj nqi nce ntxiv thiab lub caij nyoog uas nws txo qis?
Qhov twg muaj nuj nqi nce ntxiv thiab lub caij nyoog uas nws txo qis?
Anonim

Cov txiaj ntsig ntawm kev ua haujlwm yuav raug siv los txiav txim siab seb qhov haujlwm puas nce lossis txo qis ntawm ib ntus hauv nws qhov chaw. Yog tias f′(x) > 0 ntawm txhua qhov taw tes hauv ib ntus I, ces cov haujlwm tau hais tias yuav nce ntxiv ntawm I. f′(x) < 0 ntawm txhua qhov taw teshauv ib ntus Kuv, ces txoj haujlwm tau hais tias yuav txo qis ntawm I.

Koj pom qhov twg muaj nuj nqi nce lossis txo qis li cas?

Peb tuaj yeem qhia tau li cas yog tias muaj nuj nqi nce lossis txo qis?

  1. Yog f′(x)>0 ntawm lub sijhawm qhib, ces f nce ntxiv rau lub sijhawm.
  2. Yog f′(x)<0 ntawm lub sijhawm qhib, ces f yuav txo qis ntawm lub sijhawm.

Lub sijhawm twg yog qhov ua haujlwm txo qis?

Yuav kom pom thaum muaj nuj nqi txo qis, koj yuav tsum xub muab cov txiaj ntsig, tom qab ntawd muab nws sib npaug to 0, thiab tom qab ntawd nrhiav ntawm qhov twg xoom qhov tseem ceeb ntawm txoj haujlwm tsis zoo. Tam sim no sim ntsuas qhov tseem ceeb ntawm txhua sab ntawm cov no kom pom thaum lub luag haujlwm tsis zoo, thiab yog li txo qis. Kuv yuav sim qhov muaj nuj nqis ntawm 0, 2, thiab 10.

Yuav ua li cas ib txwm nce?

Thaum muaj nuj nqi ib txwm nce, peb hu nws nruj zuj zus.

Kev nce qib yog dab tsi?

Kev Ua Haujlwm Ntxiv

Ib txoj haujlwm yog "nce" thaum tus nqi y nce raws li tus nqi xnce, zoo li no: Nws yooj yim pom tias y=f(x) nyhav nce mus raws li nws mus.

Pom zoo:

Nthuav cov khoom
Summum bonum originate qhov twg?
Nyeem ntxiv

Summum bonum originate qhov twg?

summum bonum yog lus Latin txhais tau tias qhov zoo tshaj plaws lossis qhov kawg, uas tau qhia los ntawm Roman tus kws tshawb fawb Cicero los qhia txog lub hauv paus ntsiab lus uas qee qhov kev coj ua raws li - qhov ntawd yog, lub hom phiaj ntawm kev ua, uas, yog tias ua raws li niaj zaus, yuav ua rau lub neej zoo tshaj plaws.

Puas yog cuav ntawm netflix?
Nyeem ntxiv

Puas yog cuav ntawm netflix?

Kev dag yog ua. Rau Lub Sijhawm Zoo Hu is tam sim no ntawm Netflix. Qhov kev pabcuam streaming twg tau ua rau nws? Saib Ua Si | Prime Video. Kuv tuaj yeem saib qhov twg 2020? Yuav Ua Li Cas Thiaj Pom Nws. Koj muaj peev xwm stream Faking It los ntawm kev xauj lossis yuav ntawm Amazon Instant Video, Google Play, iTunes, thiab Vudu.

Koj puas xav tau daim ntawv hla tebchaws mus rau micronesia?
Nyeem ntxiv

Koj puas xav tau daim ntawv hla tebchaws mus rau micronesia?

Koj yuav xav tau daim ntawv hla tebchaws Meskas siv tau tsawg kawg 180 hnub txij li lub sijhawm nkag, ua tiav FSM Kev Nkag Tebchaws Nkag Tebchaws thiab Tawm Tawm, thiab daim ntawv FSM ua tiav hauv kev txiav txim nkag mus rau FSM. … Tsoom Fwv Teb Chaws ntawm Micronesia tau them se tawm mus.