= Knowledge Check
Write 51,238 in expanded form.
How do you write 51,238 in expanded form?

50,000 + 1,000 + 200 + 30 + 8

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).