Elementary questions about functions, notation, properties, and operations such as function composition.

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3
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2answers
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Function for this game movement graph?

This may be too easy for you, but here goes: I'm creating a kind of ski slalom game where I want the horizontal speed/direction to follow the attached graph. X is time, Y is horizontal speed. Positive ...
2
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1answer
92 views
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Numerical Intuition for the property for Scale Invariant Probability Density Functions: $f(Ax)=\frac{1}Af(x)$

I understand that, for example, you might have a density function which measures the probability of observing an outcome in a certain interval measured in feet, but someone wishes to use meters ...