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 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: product-squared

Contract and Purpose Statement

Every contract has three parts…​

product-squared: Number Number->Number

Consumes two numbers and squares their product

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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