Exercise 1.42. Let f and g be two one-argument functions. The composition f after g is defined to be the function x 
f(g(x)). Define a procedure compose that implements composition. For example, if inc is a procedure that adds 1 to its argument,
((compose square inc) 6)
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| (define (compose f g) | |
| (lambda (x) | |
| (f (g x)))) | |