已知()。
参考答案:12x
解析:
对已知等式两端求导,得f(x)=6x2,
所以f’(x)=12x.
We had wanted to come to see him, but we ____ no time.
A.had
B.had had
C.would have
D.would have had
企业大量增加速动资产可能导致的后果是( )。
A.减少资金的机会成本
B.提高经营风险
C.提高财务风险
D.降低资金的收益率