es Current Grade: 0.0 / 10.0 Rema Consider the function f (z) = 2 tan (x). Find the equation of the line normal (perpendicular) to the curve f (x) = 2 tan (x) at the point where x = - 4 Your response should be in the form y = m . x + b omitting the y = part and the values should be rounded to 3 significant dig y =