One Pager Cheat Sheet
- Using 
composition, we can create apipefunction to call multiple functions and return a single output in a cleaner, more compact way. - We can simply 
reduce()an argument array of functions, each performing a different action according to their parameters and the result of the previous call. 
This is our final solution.
To visualize the solution and step through the below code, click Visualize the Solution on the right-side menu or the VISUALIZE button in Interactive Mode.
xxxxxxxxxxpipe([  times(2),  subtract(3),  divide(4)])You're doing a wonderful job. Keep going!
If you had any problems with this tutorial, check out the main forum thread here.