“经营单位”栏应填()。
A. 红帆电子有限公司4403130679
B. 中国机械进出口公司(1106110040)
C. 广州羊城货运有限公司
D. 红帆电子有限公司
参考答案:A
已知:关于x的方程:mx2-(3m-1)x+2m-2=0.
(1)求证:无论m取何值时,方程恒有实数根;
(2)若关于x的二次函数y=mx2-(3m-1)x+2m-2的图象与x轴两交点间的距离为2时,求抛物线的解析式.
An analyst does research about intangible assets. Expenditures on research are most appropriately:
A. expensed in the year incurred.B. capitalized as intangible assets and amortized over the life of the asset.C. capitalized as intangible assets and tested annually for impairment of value.