ILL MARK BRAINLIEST FOR REAL ANSWERS
The function f(x) is to be graphed on a coordinate plane
At what point should an open circle be drawn?
A. (–1, 0)
B. (0, 0)
C. (0, 1)
f(x)=
-x, x<0
1, x≥0
Please answer with real answer will mark brainliest if correct