Respuesta :

sqdancefan

9514 1404 393

Answer:

  [-4, ∞)

Step-by-step explanation:

The vertical extent (range) of the graph is from -4 (at x=0) to +∞ (as x → ±∞).

In interval notation, this is ...

  [-4, ∞)

Stated as an inequality, the range is ...

  y ≥ -4