The graph of a function is shown.

On a coordinate plane, a function has 2 connecting line. The first line goes from (negative 5, negative 2) to (0, 3). The second line starts at (0, 3) and continues horizontally at y = 3.
Which function is represented by the graph?

f(x) = StartLayout enlarged left-brace 1st Row 1st column x minus 3, 2nd column x less-than 0 2nd Row 1st column 3, 2nd column x greater-than-or-equal-to 0 EndLayout
f(x) = StartLayout enlarged left-brace 1st Row 1st column x + 3, 2nd column x less-than 0 2nd Row 1st column 3, 2nd column x greater-than-or-equal-to 0 EndLayout
f(x) = StartLayout enlarged left-brace 1st Row 1st column negative x + 3, 2nd column x less-than-or-equal-to 0 2nd Row 1st column 3, 2nd column x greater-than 0 EndLayout
f(x) = StartLayout enlarged left-brace 1st Row 1st column negative x minus 3, 2nd column x less-than-or-equal-to 0 2nd Row 1st column 3, 2nd column x greater-than 0 EndLayout