Answer:
y = 4x - 1
Explanation:
All you want to do is put the equation into the form y = mx + b where m is the slope and b is the y-intercept (an example would be y = 2x + 1 which would have 2 is the slope and 1 is the y-intercept)
Since you have:
slope or m = 4
y-intercept or b = -1
The equation would be y = 4x - 1