Question

What is the concept of Domain and Range in functions

Answer 1

$y = f(x) \\ x = independent \: variable \\ y = dependent \: variable$
$different \: values \: that \\ \: x \: can \: take \: is \: called \: domain \\ as \: x \: varies \: y \: also \: varies \: \\ so \: the \: set \: of \: values \: that \\ \: y \: can \: take \: is \: called \: \: range$
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