--- A: Could we make a tentative appointment for, say, this Saturday?
---B:
--- A: Could we make a tentative appointment for, say, this Saturday?
---B:
--- A: I have many questions about studying abroad.
--- B: Would you like to make an appointment?
—— We had a very small budget and I had to make decisions on what to buy.
—— so you're a good planner.
已知函数f(x)=x-alnx(a∈R)
(1)当a=2时,求曲线y=f(x)在点A(1,f(1))处的切线方程;
(2)求函数f(x)的极值。
已知f(x)在[a,b]上可导,则f^' (x)<0是f(x)在[a,b]上单减的( )。
设f(x)=g(a+bx)-g(a-bx),其中g(x)在(-∞,+∞)有定义,且在x=a可导,则f^' (0) =( )。
—— We had a very small budget and I had to make decisions on what to buy.
—— so you're a good planner.
Okay, let's say we make a decision _____; what kind of price are we thinking about charging for our stock?
--- A: Could we make a tentative appointment for, say, this Saturday?
---B:
--- A: I have many questions about studying abroad.
--- B: Would you like to make an appointment?
We are a large chain of retailers and are looking for a manufacturer ______ could supply us with a large quantity of smart phones for the teenager market.
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