Choose the alternative which closely resembles the mirror image of the given…

To determine the correct mirror image for "FISH889EAT" with Option 4 as the correct choice, we must apply the rules of horizontal reflection:

Reversal of Sequence: The entire string is reversed, starting from the last character and ending with the first.

Horizontal Inversion: Each individual letter and digit must be flipped horizontally (left-to-right).