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 $\{4\}$.

Synonyms

• preimage

Translations

set of points

• Portuguese: imagem inversa f, imagem recíproca f
• Romanian: imagine inversă

Further reading

• inverse image on Wikipedia.Wikipedia