經(jīng)濟(jì)數(shù)學(xué)微積分習(xí)題庫(kù)第章

1、經(jīng)濟(jì)數(shù)學(xué)－《微積分》習(xí)題庫(kù)第1章函數(shù)1下列各組中f(x)與g(x)是相同的函數(shù)的組是()(A)xxgxxf)()(2(B)11)(1)(2xxxgxxf(C)xxgxxfln2)(ln)(2(D)11)(xf00xxxxxg)(..||||設(shè)xxxxf29)(22222xxx則下列等式中不成立的是()(A))2()2(ff(B))4()1(ff(C))3()1(ff(D))3()0(ff..第一章練習(xí)題一單項(xiàng)選擇題1.用區(qū)間表示滿(mǎn)足不等

2、式的所有的集合是（）|4|||??xxx(A)(B)(C)(D))22(?)2(??)2(???)(????答B(yǎng)2.的定義域是（）??242???xxxf(A)(B)????????22??????????22?(C)(D)?????????22?????????????2222??答C3.的定義域是（）?????????????3010432xxxxxf(A)(B)(C)(D)04???x30??x??34?????3004?????

3、xxxx?答C4.設(shè)的定義域是，則的定義域是（）??xf??20??2xf(A)(B)(C)(D)??40??20??22?]22[?答D5.答C.6.答B(yǎng).7.設(shè)為單調(diào)增加函數(shù)，則其反函數(shù)的單調(diào)性為（）??xfy???xfy1??(A)單調(diào)增加(B)單調(diào)減少(C)有增有減(D)不能確定答A經(jīng)濟(jì)數(shù)學(xué)－《微積分》習(xí)題庫(kù)第1章函數(shù)3下列中為奇函數(shù)的是().(A)11)(xxf01101xxx(B)xx11)(11001xxx(C)xxeex

4、g1)(00xx(D)xxeexh10)(000xxx.||||(D)32(C)3(B)3(A))()3(sin)(2不是周期函數(shù)的周期函數(shù)周期是的周期函數(shù)周期是的周期函數(shù)周期是上為在定義域xxf()..非周期函數(shù)的周期函數(shù)最小正周期為的周期函數(shù)最小正周期為的周期函數(shù)最小正周期為上是在其定義域)(32)(3)(3)()()3(cos)(2DCBAxxf()..的值奇偶性決定于非奇非偶函數(shù)偶函數(shù)奇函數(shù)是函數(shù)aDCBAaxaxaxf)()(