From ac87649acd4d59bd72dea2c44c171a8fead3a5a8 Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 27 Nov 2023 14:38:54 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B97947=E9=A2=98=E9=9D=A2?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 题库0.3/Problems.json | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index e7447c89..0034ab22 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -224286,7 +224286,7 @@ }, "007947": { "id": "007947", - "content": "已知函数$f(x)=x^3-3x$.\\\\\n(1) 试求函数$y=f(x)$的零点;\\\\\n(2) 求证: 函数$f(x)=x^3-3x$在$[1,+\\infty)$上是增函数;\\\\\n(3) 是否存在自然数$n$, 使$f(n)=1000$? 若存在, 求出一个满足条件的$n$; 若不存在, 请问明理由.", + "content": "已知函数$f(x)=x^3-3x$.\\\\\n(1) 试求函数$y=f(x)$的零点;\\\\\n(2) 求证: 函数$f(x)=x^3-3x$在$[1,+\\infty)$上是严格增函数;\\\\\n(3) 是否存在自然数$n$, 使$f(n)=1000$? 若存在, 求出一个满足条件的$n$; 若不存在, 请说明理由.", "objs": [ "K0219003B", "K0223004B" @@ -224301,7 +224301,8 @@ "usages": [], "origin": "二期课改练习册高一第一学期", "edit": [ - "20220726\t王伟叶" + "20220726\t王伟叶", + "20231127\t王伟叶" ], "same": [], "related": [],