题目

已知函数,的最大值是1,其图像经过点 . (1)求的解析式; (2)已知,且,,求的值. 答案:解:(1)依题意有,则,将点代入得,   而,,,故. (2)依题意有,而,    ,   ._____ from other countries, sand painting is now being recognized in China for its uniqueness and creativity. [     ]A. Being imported B. To import C. ImportedD. Importing
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