已知函数f(x)= 1 2 x 2 +ln x-1. (1)求函数f(x)在区间[1,e](e为自然对数的底)上的最大值和最小值; (2)求证:在区间(1,+∞)上,函数f(x)的图象在函数g(x)= 2 3 x 3 的图象的下方; (3)求证:[f′(x)] n -f′(x n )≥2 n -2 (n∈N * ).
【多选题】An asset manager has conducted an extensive econometric study and proposes a forecasting model. He has found that a currency with a high interest rate tends to appreciate relative to a currency with a...
A.
The current forward exchange rate would instantaneously become equal to 2.06.