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What does a function from nonnegative reals to nonnegative reals mean?
Can you explain to me what a function from nonnegative reals to nonnegative reals means?
Sure, a function from nonnegative reals to nonnegative reals maps every nonnegative real number to another nonnegative real number. It can be visualized as a set of points on a graph where the x-axis and y-axis both represent nonnegative real numbers.