He spent a lot of time on English. _______, he got the most points in the English test.
A:In fact
B:Otherwise
C:As a result
D:However
经过多次实验获得数据并统计如图,结合图表信息可以得出的结论是____ 。
已知函数f(x)=(13)x+a的图象经过第二、三、四象限.
(1)求实数a的取值范围;
(2)设g(a)=f(a)﹣f(a+1),求g(a)的取值范围.