題目列表(包括答案和解析)
(不計(jì)入總分):已知函數(shù),設(shè)函數(shù),
(3)當(dāng)a≠0時(shí),求在上的最小值.
(A)偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱 (B)偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱
(C)奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱 (D)奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱
A.偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱B.偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱
C.奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱D.奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱
已知函數(shù)f(x)="a" sinx-bcosx (a、b為常數(shù),a≠0,x∈R)在x=處取得最小值,則函數(shù)y=f(-x)是( )
A.偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱
B.偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱
C.奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱
D.奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱
A.偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱
B.偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱
C.奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對稱
D.奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對稱
湖北省互聯(lián)網(wǎng)違法和不良信息舉報(bào)平臺(tái) | 網(wǎng)上有害信息舉報(bào)專區(qū) | 電信詐騙舉報(bào)專區(qū) | 涉歷史虛無主義有害信息舉報(bào)專區(qū) | 涉企侵權(quán)舉報(bào)專區(qū)
違法和不良信息舉報(bào)電話:027-86699610 舉報(bào)郵箱:58377363@163.com