Exercise 2.4.2: (back)

Q. (define (f 1)
     (+ x 10))

A. (define (f x)
     (+ x 10))


Q. (define (g x)
     + x 10)

A. (define (g x)
     (+ x 10))
  

Q. (define h(x) 
     (+ x 10))

A. (define (h x) 
     (+ x 10))