Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
对于 f(x) = x^2 , g(x) = x+5 ,计算 (f \circ g)(2) 。
对于 f(x) = x^2 , g(x) = x+5 ,计算 (f \circ g)(2) 。
Natural Language
Math Input
Extended Keyboard