Answer:
y = 4x + 3
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y-intercept )
given m = 4 and coordinates of y-intercept (0, 3) ⇒ c = 3
y = 4x + 3 ← equation in slope- intercept form