[10-= 2 + 8 points] a. Give a one-sentence description of what f defined below does. (Try running it on some data.) b. Rewrite f so that it doesn't use dot (function composition) but does use an unnamed lambda. f :: ??? -- fill in the type of f, too f x - length . filter (x) change this definition :h [10-= 2 + 8 points] a. Give a one-sentence description of what f defined below does. (Try running it on some data.) b. Rewrite f so that it doesn't use dot (function composition) but does use an unnamed lambda. f :: ??? -- fill in the type of f, too f x - length . filter (x) change this definition :h