Referenced from lesson Simple Inequalities
Directions: Use the Design Recipe to write a function safe-left?, which takes in an x-coordinate and checks to see if it is greater than -50.
Contract and Purpose Statement |
Every contract has three parts…
; __________:_______->_______
; __________________________________________________________________________________________
Examples |
Write some examples, then circle and label what changes…
(EXAMPLE (__________ ____)___________)
(EXAMPLE (__________ _____)____________)
Definition |
Write the definition, giving variable names to all your input values…
(define (__________ __)
___________)
Directions: Use the Design Recipe to write a function safe-right?, which takes in an x-coordinate and checks to see if it is less than 690.
Contract and Purpose Statement |
Every contract has three parts…
; ___________:_______->_______
; _______________________________________________________________________________________
Examples |
Write some examples, then circle and label what changes…
(EXAMPLE (___________ ____)___________)
(EXAMPLE (___________ ____)___________)
Definition |
Write the definition, giving variable names to all your input values…
(define (___________ __)
___________)
These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
Bootstrap:Algebra by Emmanuel Schanzer, Jen Poole, Ed Campos Jr, Flannery Denny, and Dorai Sitaram
is licensed under a
Creative Commons 4.0 Unported License.
Based on a work at www.BootstrapWorld.org.
Permissions beyond the scope of this license may be available by contacting
schanzer@BootstrapWorld.org.