Image And Preimage Of A Function. So if we take this guy this is essentially the image of this guy right here right. It is designated as im f.

Preimage of a set has nothing to do. So if we take this guy this is essentially the image of this guy right here right. In mathematics the image of a function is the set of all output values it may produce.
This function maps ordered pairs to a single real numbers.
In words the image f x of x is the set of all things in b that f sends elements of x to. So if we take this guy this is essentially the image of this guy right here right. The image is the range of values of f x for which there is a value of x box. Image is a related term of preimage.