Look at picture for the question

-2 + -49 = -51

Step-by-step explanation:

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).

13cm

step-by-step explanation:

(apex)