Find the directional derivative of f(x) = -2x + 2y2 + z2 at the point p(2, 0, 2), in the direction of a =[2, 0, 1]

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?