What does “x as a function of y” really mean?

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I learned functions just purely as a mathematical concept, but I realised as I studied physics along with it, that it is actually a fundamental concept in the world. But I never really understood the phrase. For example, ‘velocity as a function of time’, yes I get that this would mean a v=tx form of graph, but what does it actually *mean*? Thank you

Edit: I made a mistake previously. I accidentally said ‘time as a function of velocity’

In: Mathematics

4 Answers

Anonymous 0 Comments

If x is a function of y, it means that the value of x is controlled by the value of y and only one (or no) value of x is possible for any given value of y.

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