Graph the Line and Give the Domain and the Range $y+4=0$

Graph the line and give the domain and the range.
- $y+4=0$

A) $D = ( - \infty , \infty ) , R = \{ - 4 \}$

B) $\mathrm { D } = ( - \infty , \infty ) , \mathrm { R } = \{ - 4 \}$

C) $\mathrm { D } = \{ - 4 \} , \quad R = ( - \infty , \infty )$

D) $\mathrm { D } = ( - \infty , \infty ) , \mathrm { R } = ( - \infty , \infty )$