Answer:
y = 0
Step-by-step explanation:
READ THE GRAPH. If X = 1, then Y = 0. have a nice day
f(- 1) = 3
locate x = - 1 on the x- axis, go vertically up to meet the graph at (- 1, 3 ) , so
when x = - 1, then y = 3 , that is
