Post Image Math Definition. Image of an element. The image of a subset a x under f denoted.
An image is a picture of someone or something. X y is a function from the set x to the set y. The new position of a point a line a line segment or a figure after a transformation is called its image.
Image of a subset.
F x is alternatively known as the output of f for argument x. Formally given a function ƒ. X y is a function from the set x to the set y. An image is a picture of someone or something.