The equation below represents Function A and the graph represents Function B:

Function A

F(x) = x − 8

Function B (image)

Which statement best compares the y-intercepts of the two functions?

a) The y-intercept of Function A is 9 units below the y-intercept of Function B.
b) The y-intercept of Function A is 9 units above the y-intercept of Function B.
c) The y-intercept of Function A equals the y-intercept of Function B.
d) The y-intercept of Function A is the opposite of the y-intercept of Function B.