Monday, April 11, 2011

Fake Functions*

x \oplus \!\, y = (x+y)², find 5 \oplus \!\, 3

Student: What is this thing?
Me: Don't freak out. The symbol just tells you there is a relationship between x and y and it tells you what it is. You just plug the numbers in.
Student: First there are letters, and then there are symbols? What's next? Sounds?
Me: Like ding dong equals 15?
Student: And dong equals 5
Me: What is ding?
Student: 3!
Me: Nice.

*Knowledge of made up math required to understand this post.

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