racket/collects/htdp/Test/graphing2.ss
2005-05-27 18:56:37 +00:00

18 lines
351 B
Scheme

;; TeachPack: graphing2.ss
;; Language: Beginner
;; ------------------------------------------------------------------------
(define (fun1 x) (+ (* x x) 1))
(graph-fun fun1 'red)
(define (fun2 x) (+ (* -1 x x) 1))
(graph-fun fun2 'blue)
(define (line1 x) (* +1 x))
(graph-line line1 'black)
(define (line2 x) (* -1 x))
(graph-line line2 'green)