y = 3/4x +2
The line crosses the y-axis at 2, so that is the y-intercept. The line appears to have a rise of 3 for a run of 4, so rise/run = slope = 3/4.
The slope-intercept form of the equation of a line is ...
y = (slope)x + (y-intercept)
y = 3/4x + 2
we need more info to solve this
equation that describes that function.