We’ve provided contracts and purpose statements to describe two different functions. Write examples for each of those functions.

Directions: half-image

Contract and Purpose Statement

Every contract has three parts…​

half-image: String->Image

Consumes the url for an image, and produces that image scaled to half its size.

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: triple

Contract and Purpose Statement

Every contract has three parts…​

triple: Number->Number

Consumes a Number and triples it.

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 (______ ____)

_________________)

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