函数江苏职业中学真题 当B”0时,A+B = 3/2。A-B = 1/2。A = 1,B = 1/2;当b & lt0,A-B = 3/2,A+B = 1/2。A = 1,B =-1/2。当B "0时,a=1,b=1/2。G(x)=-4sin3/2x,范围为,最小周期为4π/3。当b & lt0,a=1,b=-1/2。当G (x) =-4In (-3/2x)时,范围为,最小周期为4π/3。