皮皮学，免费搜题
登录
搜题
【多选题】
x为1.2 2.8 4.3 5.4 6.8 7.9时,y的值为2.1 11.5 28.1 41.9 72.3 97。设模型方程为y=a*xΛb。请拟合a和b的值A.
1.2846916431153
B.
2.09362708819895
C.
1.24023176159178
D.
2.11459153796353
E.
1.57652971532194
F.
1.97074349276536
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】交通规划的构成要素包括:()、()和()。
【单选题】Equity in a firm with no debt is called:
A.
levered equity.
B.
unlevered equity.
C.
riskless equity.
D.
risky equity.
【简答题】If a firm has a net profit margin of 21% and areturn on equity of 14%, its equity turnover ratiois closest to: A.0.67x B.0.78x C.1.5x
【单选题】Equity in a firm with no debt is called ________.
A.
levered equity
B.
unlevered equity
C.
risk-free equity
D.
preferred equity
【单选题】I received his mother's telephone call at eleven_____that he was badly hurt in an accident yesterday.
A.
Then did I know
B.
Only then I knew
C.
Only then did I know
D.
Only then knew I
【简答题】It wasn’t until a month later ____ I received his letter. A．that B．since C．when D．as
【简答题】交通规划的构成要素包括需求方面、 和 。
相关题目：