The width of a rectangle is 4ft and the diagonal length of the rectangle is 13ft which measurement is closest to the length of this rectangle in feet

i don't know that on I not sure what the answer

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).