Mathematics

Problem

For the function

f(x)=\dfrac{2x+3}{x-1}

with

x\neq1

, which of the following sets is its range? a)

\mathbb{R}\setminus\{1\}

\mathbb{R}\setminus\{0\}

\mathbb{R}\setminus\{2\}

\mathbb{R}\setminus\{-2\}