The domain and range of a real valued function $\mathrm{f}(\mathrm{x})=\cos \mathrm{x}-3$ are respectively.

• A

  $\mathrm{R} \backslash\{0\}$ and $[-1,1]$
• B

  R and $[-1,1]$
• C

  $\mathrm{R} \backslash\{0\}$ and $[-4,-2]$
• Correct answer
  D

  R and $[-4,-2]$

Hence, the correct answer is option: 'D'.