hello!


To find:-

Solution:-
Since the equation is written in slope-intercept form (y=mx+b), we should just look at the b term and identify the y-intercept.
Notice that the y-intercept is a constant.
Hence, the y-intercept is 4.
note:-
Hope everything is clear; if you need any explanation/clarification, kindly let me know, and I will comment and/or edit my answer :)