必善事左右

请问find the rate of change of the gradient find the rate of change of gradient of the function g(x) .我在上面漏掉一个function.不好意思。 the rate of change of f(x) is least at x=?答案说f'(x) is least at the point of inflection point of the curve这个怎么理解?答案把rate of change默认为了instantaneous rate of change所以才直接说f'(x)?还有拐点不是和二阶导数 可以说we find the old rate have some change old 要改为older吗？ 浓度为50%的酒精溶液100克中,再加入多少克浓度为5%的酒精,就可以得到浓度为25%的酒精溶液? What is the rate of change of the volume of a sphere with respect to the radius when the radius is 硝酸钠（nano3）为什么不能一步实现成氯化钠（nacl） take form 与 take the form of...的区别 take the life take the consequence of 的意思 电采暖炉怎么样 the report says that two-thirds of the world population ____to live in cities by the end of 2026.1.is suggested2.are expected3.have wanted4.settle并解析 The weather report says that is will be_(rain)在横线上填入适当的形式 将铁粉 铜粉 氯化铁溶液和氯化铜溶液混合于某容器中充分反应 容器不参与反应.试判断下列情况中,溶液中存在的金属离子和金属单质1若铁粉剩余,不可能有 可能有 一定有 2氯化铁剩余,3铜粉 The weather report says that rain is l____ in all parts of the country tomorrow.Judy is p____ the role of Juliet.Parrots f____ on carrots. The weather report says that rian is l in all parts of the country tomorrow. a new United Nations report says that is not the case in much of the developing world? C题：城市空气质量评估及预测 我国现行的“创模”和“城考”体系,环境空气质量指标都占有重要地位.“十 各地的报纸电视台上的城市空气质量报告中不需测量的是什么 David is thin,and {of average height}.The underlined part means ______.A.not tall but short B.neither tall nor short C.very tall and not short D.not short but tall Mean high water is the average height of all high waters 这句话怎么翻译 My class teacher is of average height.对of average height划线部分提问_____ _____ is your class teacher? 水葫芦怎么养 />我要问的是第8题,中的第一小题请问a1,a2,a3,a4是怎么求出来的呢! 水葫芦可不可养在家中 水葫芦能在室内养殖吗? 我要问的是第5题我要问的是这个是怎么来的, 为什么一块玻璃上有不同的颜色国外教堂里的玻璃上有不同颜色拼出的画,请问玻璃加工后可以直接形成不同的颜色吗? 日本盛行西南风时,英国北部盛行什么风 如何判断一地区是否受西南风控制?如题. 北纬40度为什么不是受西南风控制 《三峡》 本文按照 顺序描写三峡?表达了作者 的感情. 制造氧气的物质?