Assertion: output's value | /r/CapableOf | apply to the argument
Facets:
value: in the context of numbers
type: OTHER
Source sentences:
text: If (x, y) belongs to the set defining f, then y is the image of x under f, or the value of f applied to the argument x. Especially in the context of numbers, one says also that y is the value of f for the value x of its variable, or,