Answer:
y=2x+3
Explanation:
the equation of a line in slope intercept form is
y=mx+b where m is the slope and b is the y intercept
the graph crosses the y axis at 3, so the y intercept is 3
the line goes up 2 over 1, up 2 over 1, etc so the slope is

thus we get y = 2x + 3