She finished the novel and returned it to me in time.
A:read
B:to read
C:reading
D:Reads
若关于x、y的二元一次方程组2x+y=3k-1x+2y=-2的解满足x+y>1,则k的取值范围是____
(Ⅰ)求 f(x) 的解析式;
(Ⅱ)设函数 g(x)=f(x)+4sin2x,x∈0,π2 ,求 g(x) 的值域.