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Which one ? The left-most 9 is 900, the right-most one is 9 hundredths !
coefficient of variation
y is a function of x iffor each value of x (in the domain) there is a value of y, andfor each value of y (in the range) there is at most one value of x.
A graph is represents a function if for every value x, there is at most one value of y = f(x).
They are worth face value. All most all 1963 nickels have been circulated at one point in time! This drastically drops the value. Check you pocket change and you could find one .