MATHEMATICS I (MATEMATİK I) - (İNGİLİZCE) Dersi Functions and Their Graphs soru detayı:

CEVAP:

A function which assigns every real number to its distance to the origin, in other words assigning
its absolute value, is called the absolute value function, and it is denoted by | • |. As a piecewise defined function, absolute value is represented as
l·l :R › R, x ? R