【简答题】下列各对函数中哪些相同?哪些不同? (1)f(x)=lgx 2 ,g(x)=21gl|x|; (2) ,g(x)=| x-2| (3)f(x)=e lnx2 ,g(x)=2x; (4)f(x)=1,g(x)=sec 2 x-tan 2 x
【简答题】(1)设f(x)=2 x ,g(x)=4 x ,若g[g(x)]>g[f(x)]>f[g(x)],求x的最大取值范围. (2)若函数y=4 x -3?2 x +3的值域为[1,7],求x的取值范围.
【单选题】Johnnys Fitness has begun its summer promotion. For the next three months anyone purchasing a one year fitness membership___1___an additional year free. Each new member will have full access to the sa...
【单选题】A discount of I percent is offered for payment within 30 days, and 0.5 percent for payment within 60 days.()
A.
If customers pay within 30 days, they will save more money.
B.
The company does not permit a discount for payment within 50 days.
C.
Customers will not save any money by paying immediately after purchasin
【判断题】财务 管理的 最终 目标 是将 利润的最大化 。( )
【多选题】在税款征收过程中,纳税人依法享有一定权利。下列各项中,属于纳税人权利的有( )。
C.
要求税务机关退还多缴纳的税款并加算银行同期存款利息
D.
对税务机关的处罚决定,可以申请行政复议,也可以提起行政诉讼
【单选题】如果以利润最大化作为企业财务管理的目标,则正确的说法是( )。