Answer
The red graph is the result.
Domain: $(-\infty,\infty)$
Range: $[4,\infty)$
Work Step by Step
Starting with the graph of $y=x^{2},$
vertically shift upward 4 units.
Plot several points of $y=x^{2}$,
shift each upward by 4 units and join with a smooth curve .
Reading from the graph,
Domain: $(-\infty,\infty)$
Range: $[4,\infty)$
