The graph of the piecewise function f(x) is shown. What is the domain of f(x)? {x | 1 1 ≤x≤5 y y

Question

The graph of the piecewise function f(x) is shown.

What is the domain of f(x)?
{x | 1 1 ≤x≤5
y
-4≤ y ≤ 1

Answer 1

A. 1≤x<5

By studying the diagram, we can see that the dot at (1,1) is colored black, but the dot at (5,4) isn't. So it gives us 1≤x<5