The real line as a place to measure closeness Practice 4 | Zoonk

The real line as a place to measure closeness Practice 4 | Zoonk

4Lesson 4 of 34

Practice

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A small grocery prep counter with a digital freezer display controller, a tray of mini cheesecakes, and a clipboard labeled “Morning freezer check.” The controller screen shows a slider value box and a temperature readout. A sticky note on the clipboard says “Don’t trust old label?”

Freezer check

I’m helping Lena approve a freezer display before the morning rush. The controller uses a weird slider number, and one pasted rule could warm up a whole shelf of cheesecakes.