Question: Functionality Is it working? For situations (a) to (e) answer the following How many outcomes are possible? Are they mutually exclusive? Is the result dependent?

Functionality Is it working? For situations

(a) to (e) answer the following

How many outcomes are possible?

Are they mutually exclusive?

Is the result dependent?

If so, on what? Does the relation define a function?

If the relation is a function, does it have an inverse? Which outcomes are expected?

(a) You register for an online account. (b) You press 'call' on a saved contact. (c) You press the 'power' button on your computer. (d) The lamp is on, you unplug it. (e) You type password in your phone.

(f) The Big Picture: What does it mean for a device to be "functional"?

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