https://repl.it/NAgw/5

pipe.example.03.js

const pipe = (...fns ) => 
  fns.reduce( ( f, g ) => (...args ) => g( f(...args ) ) )

const add = ( before ) => [ before, ( x, y ) => x + y  ]

const fx1 = ( x ) => ( [ before, op ] ) => op( before, x )
const fx2 = ( x ) => ( [ before, op ] ) => op( before, ( x * x ) )
const fx3 = ( x ) => ( ...before ) => x * x * x

const result = ( x ) => 
  pipe(
    fx3( x ),
    add,
    fx2( x ),
    add,
    fx1( x )
  )()

console.log( result( 2 ) )