;; The first three lines of this file were inserted by DrRacket. They record metadata ;; about the language level of this file in a form that our tools can easily process. #reader(lib "htdp-beginner-reader.ss" "lang")((modname 13.3.1) (read-case-sensitive #t) (teachpacks ()) (htdp-settings #(#t constructor repeating-decimal #f #t none #f ()))) ; Exercise 13.3.1 ; may-drive? : number(age) -> Boolean (check-expect (may-drive? 15) false) (check-expect (may-drive? 23) true) (check-expect (may-drive? 16) true) ; borderline case (define (may-drive? age) ; age a number ; 16 a fixed number we’re likely to need (>= age 16) )