Taylor Series Approximation Formula f(x) ~ f (a) + f'(a) (x - a) + (a 2 ( x - a )2 + f "(a) (x - a)3 + ... 3! What is the fourth derivative of the function f(x) = xe-x ? What is the coefficient of the fourth term of the Taylor Series approximation for f(x) = xex when a = 0? Oa. (1/4) Ob. (2/4!) Oc. (-1/6) Od. - 4 Using substitution, calculate the approximate value of this function at x = 0.2, using the fourth order Taylor series approximation of this function. Enter your result up to five decimal places of accuracy