Remember that x=3 in our next exercises
x² + 9=

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

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).