已知奇函数 f ( x )的定义域为R,且 f ( x )在[0,+∞)上是增函数,是否存在实数 m ,使 f (cos2 θ -3)+ f (4 m -2 m cos θ )> f (0)对所有 θ ∈[0, ]都成立?若存在,求出符合条件的所有实数 m 的范围,若不存在,说明理由。
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【单选题】Banca Solida has, in the past, always operated with a reserve ratio of 25 per cent. It has now been taken over by Gung-Ho Bank which operates with a reserve ratio of 121⁄2 per cent. Assuming that Banc...
A.
Money supply will increase because Banca Solida will increase its loans
B.
The effect on money supply cannot be determined from the information given
C.
Money supply will decrease because the loans will have to be repaid.
D.
Money supply will be unchanged because the central bank has made no policy changes.