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已知函数f(x)=x-sinx,若x1、且f(x1)+f(x2)>0,则下列不等式中正确的...
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已知函数f(x)=x-sinx,若x
1、
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XrAFCQiG+gPhzTAOMpjEfgAAAABJRU5ErkJggg==
)
且f(x
1)+f(x
2)>0,则下列不等式中正确的是( )
A.x
1>x
2B.x
1<x
2C.x
1+x
2>0
D.x
1+x
2<0
相关试题
-
已知函数f(x)=x-sinx,若
且f(x1)<f(x2)>0,则下列不等式中正确的是( )
A.x1>x2
B.x1<x2
C.x1+x2<0
D.x1+x2<0
-
已知函数f(x)=x-sinx,若
且f(x1)<f(x2)>0,则下列不等式中正确的是( )
A.x1>x2
B.x1<x2
C.x1+x2<0
D.x1+x2<0
-
已知函数f(x)=x-sinx,若x1、
且f(x1)+f(x2)>0,则下列不等式中正确的是( )
A.x1>x2
B.x1<x2
C.x1+x2>0
D.x1+x2<0
-
已知函数f(x)=x-sinx,若x1、
且f(x1)+f(x2)>0,则下列不等式中正确的是( )
A.x1>x2
B.x1<x2
C.x1+x2>0
D.x1+x2<0
-
已知函数f(x)=x-sinx,若f(x1)+f(x2)>0,则下列不等式中正确的是( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADEAAAAgCAYAAAC7FpAiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFMSURBVFhH7ZcNDoMgDIV7Mu7EdbgMR+EoHQWK
MLMNpeIwmJjFRPb69fVnA3zABQ9gwAXxLy4uJ5YTghlY5SSYzK6vEnMCAJDuOy5x1TtgxCHYiZEw
l0GMhLkcYgQMoNWhIUEZdEHRoq6eZVu1KjMh7eSEQ6MUGkcA2mPIX597pF87l5MzyjsiD9DS4L3a
W084gyqXVL8TLcFnlU7tDGG9EwqopPoADgWfpHq1AwTZqX0jWA3hk5o9fJYXZesL5Jngm7U5Dh4E
NHiKAL02oOL080vvBPlwv1NlXpq0+QAlkeMKCd3iPrAnaHLJQhwpXGdtWgHxVBgGqYengdgBU3XM
DkFOcBtM6oQv7WIdTAlhdb2Up4PgdVBNufYJce90CnH6Zs7rID3T1G1zIs1lXmi7RdieidNvxt9X
8S/wdseyaoM4LT3m4IIYk+ffKi/e8XNq8w4/CQAAAABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADEAAAAgCAYAAAC7FpAiAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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QyrhaolAitJUAfv5+2gBX7DgBQy4If5Fxa3EVqJjBHY6dQxm01FTlQAApKv36n/ijYejnGdTQyFG
Oz8UYpbzQyBmO58gtHTFBkKhcd9qlIfn72VY7XwH2+RdqAmDSghUhgCkxahbdTDttmNhGyWsIvUA
OfZTmFbbqTsZhSKmVJ0S513FMI22I4S2SgiglOoD8ESZVtsOguSUthC0BHe3H/w9XxStRsg7ZYps
sx/cCKjxZA7acwEFh59fOhPEzX2VKrLNABRE9ssFNPn9YGJT5+oL8SRxjdZhBPhdrhmEGl4G4gJM
2bE6BCnBZbCoEja1s3GwJISWx6G8HAS35MMcKu8Qv+1Ozk9bzHEchGfqumVKhL7Mw+oyCMsjUf2m
/33l/96my6dVGUS16TkbN8ScOH+38gHHCXNqEExRYAAAAABJRU5ErkJggg==
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAAAgCAYAAABNXxW6AAAAAXNSR0IArs4c6QAAAARnQU1BAACx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==
)
D.
-
下列结论中正确命题的序号为________.(写出所有正确命题的序号)
①函数f(x)=x-sinx有三个零点;
②若
,则
与
的夹角为钝角;
③若a,b∈[0,1],则不等式
成立的概率是
;
④函数y=3x+3-x(x>0)的最小值为2.
-
已知函数f(x)=x-sinx,数列{an}满足:0<a1<1,an+1=f(an),n=1,2,3,….
证明:(I)0<an+1<an<1;
(II)
.
-
已知函数f(x)=x-sinx,数列{an}满足:0<a1<1,an+1=f(an),n=1,2,3,….
证明:(I)0<an+1<an<1;
(II)
.
-
已知函数f(x)=x-sinx,数列{an}满足:0<a1<1,an+1=f(an),n=1,2,3,….
证明:(I)0<an+1<an<1;
(II)
.
-
已知定义在(-1,1)上的函数f(x)=x-sinx,若f(a-2)+f(4-a2)<0,则a的取值范围是( )
A.(-∞,-1)∪(2,+∞)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADcAAAASCAYAAAD/ukbDAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAbZJREFU
WEfFV4GxgyAMjRu5j1swhEuwgwM4h3fdgSUoAS0Eg0ZjW+7a+3c/5OUlLwntfDggOF3XCawAhO5E
vtBIhYvkJCfgSMwet9Hg0ogX68EubIAaEA1jKe5ijZ8dRcrkkJiZffX/j7UUREOEuyvHdX424Mva
JHJu9uaA2NqXFBvvBKkieKvaTxDlyLnZJFz8kLgXbyFXMJJbLGV8nsHg5OMUHZ7fv0t0T67EZrwW
rRXIYXA2fB8fAuIcka8kOY+RC8E3xkKCiIpKfCCU7bDXtqCa2j8YQncJlfcobuqrJMlWQXLvQdTv
Sb+xPbfK+R89t7USFP2VE5LImTA6VeSyDJKzssryKXehHSrTWJidRgtyallGmdPqb5PseVnWHrnh
UsgyDZRqAU7DquuBVKMZLNN3typ3FRdj31UuD0h2FUzTFHmMPfh+fMW/28Eyy/PmU+0aLq6w/ask
KnElnJc4N31iJlP1CDl0sC3Rb+y4Fm75cGBxMdHVEo/RN1bCEJxg9W7JTNF013Fbz68tCMxMpeHX
2Hvox5+Tu4rLPSREv2Mwi7+uHOZbiysidzxQFNoTXNUk9Q07Jlr+a4iC4QAAAABJRU5ErkJggg==
)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADEAAAASCAYAAADypDaEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.(0,2)