1 . 某部影片的盈利额(即影片的票房收入与固定成本之差)记为
,观影人数记为
,其函数图如图(1)所示.由于目前该片盈利未达到预期,相关人员提出了两种调整方案,图(2)、图(3)中的实线分别为调整后
与
的函数图象.给出下列四种说法:
![](https://img.xkw.com/dksih/QBM/2021/3/4/2670475373846528/2670724158054400/STEM/6a683f52-7630-4d50-a3a7-a35869faeb1a.png)
![](https://img.xkw.com/dksih/QBM/2021/3/4/2670475373846528/2670724158054400/STEM/4d41ff79-ca1d-4007-ab16-f9454cc0630a.png)
![](https://img.xkw.com/dksih/QBM/2021/3/4/2670475373846528/2670724158054400/STEM/2da78674-ed89-4007-b907-06fc4e1455d0.png)
①图(2)对应的方案是:提高票价,并提高成本;
②图(2)对应的方案是:保持票价不变,并降低成本;
③图(3)对应的方案是:提高票价,并保持成本不变;
④图(3)对应的方案是:提高票价,并降低成本.
其中,正确的说法是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2021/3/4/2670475373846528/2670724158054400/STEM/6a683f52-7630-4d50-a3a7-a35869faeb1a.png)
![](https://img.xkw.com/dksih/QBM/2021/3/4/2670475373846528/2670724158054400/STEM/4d41ff79-ca1d-4007-ab16-f9454cc0630a.png)
![](https://img.xkw.com/dksih/QBM/2021/3/4/2670475373846528/2670724158054400/STEM/2da78674-ed89-4007-b907-06fc4e1455d0.png)
①图(2)对应的方案是:提高票价,并提高成本;
②图(2)对应的方案是:保持票价不变,并降低成本;
③图(3)对应的方案是:提高票价,并保持成本不变;
④图(3)对应的方案是:提高票价,并降低成本.
其中,正确的说法是( )
A.① | B.② | C.③ | D.④ |
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