The given equation is y = 4x + 3.
Comparing it with slope-intercept form of line i.e. y = mx + b.
Slope of the line is m = 4.
Y-intercept of the line is b = 3.
This is a straight line graph going upward from left to right direction with rise-over-run as 4 over 1 and passing through (0, 3) on y-axis.
Its graph would look like as follows :-
