质地均匀的正方体六个面分别都标有数字:,
,
,
,
,
,抛掷两次,所出现向上的数字分别是
、
,则使函数
单调递增的概率是 .
已知幂函数的图象过点
,则
函数的定义域是
A class collects $50 to buy flowers for a classmate who is in the hospital. Roses cost $3 each, and carnations cost $2 each. No other flowers are to be used. How many different bouquets could be purchased for exactly $50?_______
若a>0,a1,F(x)为偶函数,则G(x)=F(x)·log
(x+
)是_______函数(填“奇”或“偶”),它的图像关于______对称。