1 665c255d 2023-08-04 jrmu (define (linear-combination a b x y)
2 665c255d 2023-08-04 jrmu   (+ (* a x) (* b y)))
3 665c255d 2023-08-04 jrmu 
4 665c255d 2023-08-04 jrmu (define (linear-combination a b x y)
5 665c255d 2023-08-04 jrmu   (add (mul a x) (mul b y)))