.一集合與函數(shù)確定性集合中元素的特征互異性無(wú)序性1集合與元素的關(guān)系:列舉法謝謝閱讀描述法常見(jiàn)的數(shù)集NN*ZQR子集：AB,AA2集合間的基本關(guān)系集合相等:1定義:A=B精品文檔放心下載2若AB且BA則AB真子集：若AB且AB,則AB:感謝閱讀n2n2n1謝謝閱讀并集：ABx|xA或xB3交集：AB精品文檔放心下載x|xA且xB補(bǔ)集：CAx|xU且xA感謝閱讀U感謝閱讀）AAAAAA,AAA感謝閱讀若ABB則AB若ABA則AB感謝閱讀）A(CUA(CUUAB則A或A可編輯.函數(shù)的定義定義域函數(shù)的三要素對(duì)應(yīng)法則值域4區(qū)間的表示解析式法函數(shù)的表示法列表法圖像法5x1x1（）設(shè)1xx1(x(xx2x,f(x)f212)(x1x,f(x)f(x)2121x:a,b,21f(x)f(x))f(x)012xx)f(xx21212f(x)f(x))f(x)012xx)f(xx212120f(x)在a,b0f(x)在a,b.）1)23謝謝閱讀法）1x,xx1x2122f(x))f(xf(xf(x12)123感謝閱讀增精品文檔放心下載f(x)a,b—f(x)，1)在a,b數(shù)f(x1可編輯.26f(x)1xf(x)f(x)則f(x)謝謝閱讀2xf(x)f(x)則f(x)感謝閱讀yxx精品文檔放心下載f(x)f(x)f(x)f(x)謝謝閱讀謝謝閱讀x0f(0)0精品文檔放心下載123精品文檔放心下載:1謝謝閱讀2f(x)f(x)感謝閱讀3f(x)f(x)則f(x)f(x)f(x)則f(x)謝謝閱讀）謝謝閱讀可編輯.謝謝閱讀二指數(shù)函數(shù)與對(duì)數(shù)函數(shù)11amanamn2amana閱讀謝謝mn3(ab)ab4(a)ammmmnmnaam5()6amnanmmbbm1m7aa8nana,當(dāng)n為偶數(shù)時(shí)a,當(dāng)n為奇數(shù)時(shí)2N當(dāng)a0,a1時(shí)，aNxxalog10a1aalogaNalogN(a0且a1,M0,N感謝閱讀1loga2a(MN)log()aMlogaNaMaN3a(Mn)nlogaM可編輯.logablogcba(a0且a1,c0且c1,b0)c1bnnmabam2logaN1logNa3logblogabclogac3圖像定義域單調(diào)性4可編輯.1am，an2am，bn1logam，logan2logam，logbn5６yxx中為自變量，感謝閱讀可編輯.函數(shù)零點(diǎn)及二分法一))yf(x)a,bf(a)gf(b)0精品文檔放心下載精品文檔放心下載yf(x)a,bca,bf(c)0c精品文檔放心下載二精品文檔放心下載精品文檔放心下載f(x)感謝閱讀1確定區(qū)間a,bf(a)gf(b)0，給定精確度感謝閱讀2c3f(c)）若f(c)0c謝謝閱讀）若f(a)gf(c)0bc點(diǎn)x(a,c)））若