inverse image

English

Noun

inverse image (plural inverse images)

1. The set of points that map to a given point (or set of points) under a specified function.

   Under the function given by $f(x)=x^2$, the inverse image of 4 is $\{-2,2\}$, as is the inverse image of $\{4\}$.

Translations

• Romanian: imagine inversă

Synonyms

• preimage

External links

• Inverse image on Wikipedia.Wikipedia