f(x)函数这种写法除了用f、g这两个字母外还可以用什么?如题

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• f(x)函数这种写法除了用f、g这两个字母外还可以用什么?
• f(x)函数这种写法除了用f、g这两个字母外还可以用什么?如题
• 英语判断题请给答案判断题,括号里的是否正确1.The woman was (at a loss) what to do as she was frightened by the gun of the attackers.A.错误 B.正确2.I didn't go to the party,but I do wish (I had been) there.A.错误B.正确3.(Nobody and a young woman) survived the airplane crash.A.错误 B.正确4.The computer doesn't work well,so something (must have gone wrong.)A.错误 B.正确5.I don't like the desk because it (takes up) too much space.A.错误 B.正确6.Although Mary (is satisfied to) her success,she wond
• 设函数f(x)=1 x ∈[1,2] ;f(x)=x-1 x ∈(2,3] g(x)=f(x)-ax, x∈[1,3] ,其中a∈R,记函数g(x)的最大值设函数f(x)=1 x ∈[1,2] ;f(x)=x-1 x ∈(2,3]g(x)=f(x)-ax, x∈[1,3] ,其中a∈R,记函数g(x)的最大值语最小值的差为h(a)求函数h(a)的解析式