I NEED HELP LIKE ASAP, IF UR CORRECT I'LL MARK U BRAINLIEST.

What is the initial value of the function represented by this graph?

A coordinate grid is shown with x- and y-axes labeled from 0 to 7 at increments of 1. A straight line joins the ordered pair 0, 7 with the ordered pair 4, 0.

A. 0
B. 3
C. 4
D. 7