Referenced from lesson Simple Inequalities

Directions: Use the Design Recipe to write a function is-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…​

examples:

______________ (___)is _________

______________ (____)is __________

end

Definition

Write the definition, giving variable names to all your input values…​

fun ____________(_):

_________

end

Directions: Use the Design Recipe to write a function is-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…​

examples:

_______________ (___)is _________

_______________ (___)is _________

end

Definition

Write the definition, giving variable names to all your input values…​

fun _____________(_):

_________

end

These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, and 1738598). CCbadge 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.