What is the correct equation for the following graph?

(A) y = |x + 3| + 1

(B) y = |x + 3| - 1

(C) y = |x – 3| + 1

(D) y = |x – 3| - 1

The equation is shifted 1 unit downwards and 3 units to the right, so (D) must be the correct answer.