The function $f: \mathbb{R} o \mathbb{R}$ defined by $f(x) = x$ is c…

Question

The function $f: \mathbb{R} 	o \mathbb{R}$ defined by $f(x) = x$ is called the:

Accepted Answer

A. identity function

Identity function: $f(x) = x$ for every $x$. Its graph is the line $y = x$ through the origin.

Answer

modulus function

Answer

constant function

Answer

polynomial function of degree 0

The function $f: \mathbb{R} \to \mathbb{R}$ defined by $f(x) = x$ is called the: