Sofa Moving Problem

or If the Movers Had Been Mathematicians

And More Mathematics

Having the graph of the function

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for 0 > x > 10, move the slider t to explore the function. The slider is used to define a line y = t. The minimum value of the function will be the y-value of the "bottommost" point on the graph, i.e. t.

Tips and Tricks.
Change the rounding property of the slider t to achieve better accuracy. Select the slider and use the arrow-keys of the keyboard to move the slider step by step.

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