the step - function f(x) is graphed. what is the value of f(0)? -2 -1 0 1

the step - function f(x) is graphed. what is the value of f(0)? -2 -1 0 1
Answer
Explanation:
Step1: Locate x = 0 on graph
Find x - value of 0 on x - axis.
Step2: Determine y - value
The solid dot at x = 0 has a y - value of - 2.
Answer:
-2