已知某商品的需求量[tex=0.857x1.214]to/MrMoO1ux8UhZHnpEvBg==[/tex]与供给量[tex=0.643x1.0]jLbabU9pW65GUKemsNBJWw==[/tex]都是价格[tex=0.643x1.0]WUJ/JHItsc3Bqx1WYNJcrg==[/tex]的函数:[tex=6.143x2.143]IHv9t9+7EmM1kAAc8HQbZTr4JKSys5GrXxXU4pvi3zw=[/tex],[tex=5.286x1.357]8UqGe9xpwNWDQeHlNP1igw==[/tex],其中[tex=2.429x1.071]007lvGBu392ubVcvgY4h/Q==[/tex],[tex=1.714x1.071]3fpFg2hEhzREgIq3MQR5mQ==[/tex]为常数,且满足[tex=2.429x2.429]eHmJ6WkcVxLNZ4Gfz3qUfoCWvrccp6rpeqW4jmG2q0jX7U+o1aJ0991p1u0GcHos[/tex][tex=6.143x1.357]ZNlzHRMcdNgqOUUmU5/07w==[/tex]([tex=0.571x1.0]UeUhXtQk9UV0/UjLVRoyYw==[/tex]为正常数),假设当[tex=2.214x1.0]MVeOYouc7e3FvU1m5bCV6w==[/tex]时,价格为[tex=0.5x1.0]AYXQx0BMtpSPsr4BfOe2YQ==[/tex],试求 :(1) 需求量等于供给量的均衡价格[tex=1.0x1.214]rv8v5pswTGtJOH+h7IgY9w==[/tex];(2) 价格函数[tex=1.786x1.357]ejMbgiwLua0cCLsbox4DAg==[/tex];(3) [tex=4.214x1.857]gWiJ+ZX5vxQKlGr93+60wuPdZz9J9vdjx6/l0Qzy4aeRMS7HieDkrXDjhXoutcQS[/tex].
举一反三
- 某人对商品x的需求函数是[tex=5.214x1.214]0m6eBd5eyK0NjuxeKfwtIw==[/tex],[tex=4.214x1.214]I717YsPbj8Rnym1v2XQ+sFNkUl7mqUsGwbjwjXmy2xc=[/tex],这里[tex=0.571x1.0]Za328cIB4SeR7rrzY+MM5Q==[/tex]是[tex=0.571x0.786]ZSLOI4fiO1oAbVC5M8IVkA==[/tex]的价格。如果商品x 的价格是0.5元,那么他对商品x的需求价格弹性是 未知类型:{'options': ['-10', '- 1/5', '-1/10', '\xa0- 1/3'], 'type': 102}
- 6个顶点11条边的所有非同构的连通的简单非平面图有[tex=2.143x2.429]iP+B62/T05A6ZTM0eeaWiQ==[/tex]个,其中有[tex=2.143x2.429]ndZSw3zT0QTOVLVdoUto1Q==[/tex]个含子图[tex=1.786x1.286]J+vVZa2YaMpc6mJBbqVvWw==[/tex],有[tex=2.143x2.429]lmhx48evnQMhi03NovPXig==[/tex]个含与[tex=1.214x1.214]kFXZ1uR8GjycbJx+Ts2kyQ==[/tex]同胚的子图。供选择的答案[tex=3.071x1.214]3KinXFh3SXhZ7nIe1y9KEV6aadxhhJWeEy6Dij1iObdMUZkY6ZA5J2dVVjPSuhEf[/tex]:(1) 1 ;(2) 2 ;(3) 3 ; (4) 4 ;(5) 5 ;(6) 6 ; (7) 7 ; (8) 8 。
- 求函数[tex=3.286x1.429]kdT+eIE7CHPynuN6CaN40g==[/tex](抛物线)隐函数的导数[tex=1.071x1.429]BUw1BPFU3fsJlAl/vt9M9w==[/tex]当x=2与y=4及当x=2与y=0时,[tex=0.786x1.357]Hq6bf3CacUy07X+VImUMaA==[/tex]等于什么?
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]