指數(shù)函數(shù)y=(2c-1)∧x在實數(shù)集R上為減函數(shù)
得到0
已知c>0且c≠1.設p:指數(shù)函數(shù)y=(2c-1)^x在實數(shù)集R上為減函數(shù),q:不等式x+(x-2c)>1的解集為R,若命題p或q是真命題,p并q是假命題,求c的取值范圍
已知c>0且c≠1.設p:指數(shù)函數(shù)y=(2c-1)^x在實數(shù)集R上為減函數(shù),q:不等式x+(x-2c)>1的解集為R,若命題p或q是真命題,p并q是假命題,求c的取值范圍
數(shù)學人氣:586 ℃時間:2020-04-06 11:19:48
優(yōu)質(zhì)解答
我來回答
類似推薦
- 已知c>0且c≠1,設p:指數(shù)函數(shù)y=(2c-1)∧x在實數(shù)集R上為減函數(shù),q:不等式x+(x-2c)²>1的解集為R,若命題p或q是真命題,p且q是假命題,求c的取值范圍?
- 已知c>0,設p:函數(shù)y=cx在R上單調(diào)遞減;q:不等式x2+x+1/2c>0的解集為R.若p或q為真,p且q為假,求實數(shù)c的取值范圍.
- 已知c>0,設p:函數(shù)y=c^x在R上是減函數(shù);q:不等式x+|x-2c|>
- 已知c>0,設P:函數(shù)y=cx在R上單調(diào)遞減,Q:不等式x+|x-2c|>1的解集為R.如果P和Q有且僅有一個正確,求c的取值范圍.
- 已知c>0.設p:函數(shù)y=c^x在R上是減函數(shù);q:不等式x+|x-2c|>1的解集為R,如果這兩個命題中有且僅有一個為真命題,求示數(shù)c取值范圍
- 已知實數(shù)x,y滿足2x+3y≤14,2x+y≤9,x≥0,y≥0,S=3x+ay,若S取得最大值時的最優(yōu)解有無窮多個,則實數(shù)a=?
- 請問這種成分還屬301不銹鋼嗎?(C-0.1003;Si-0.2467;Mn-2.2387;p-0.358;S-0.169;Cr-14.6342;Ni-6.0215)
- X=2*3*5*7*11*13*17*19*23*29*.N(N為質(zhì)數(shù)),求證:X+1為質(zhì)數(shù)
- 若√2007n是個非零整數(shù),則最小整數(shù)n是?
- Either I or he ( )soccer with Tom 四個選項 play are plays is
- .the music festival was great!Many famous people (attended) it.
- 如果(M)表示m的全部因數(shù)的和,如(4)=1+2+4=7,則(18)-(21)=()