Domain, codomain, range, surjective, bijective, invertible, monotonic, continuous, differentiable.
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A rule is a way of describing a function in words. Conversly, a function is simply a way of describing mathematical rules in numbers and symbols.
it shows the function of things
A function that maps an input onto itself is called an identity function. In other words, the output of the function is the same as the input. The identity function is represented by the equation f(x) = x.
Limits (or limiting values) are values that a function may approach (but not actually reach) as the argument of the function approaches some given value. The function is usually not defined for that particular value of the argument.
yes, bcoz evey function gives some output for input. Except constant function.