what is the symbol for absolute value? □ || □ () □ {} □ \\

QUESTION IMAGE

$what is the symbol for absolute value? □ || □ () □ {} □ \\$

Question

what is the symbol for absolute value?
□ ||
□ ()
□ {}
□ \\

Explanation:

Brief Explanations

Absolute value uses vertical bars around a number, e.g., $|x|$. Parentheses () group operations, braces {} denote sets, and backslashes \\ are not used for absolute value.

Answer:

A. ||