SECTION A
Answer all six questions from this section (60 marks in total). 1. The function is given by
f(x) = (x^2 + 10x + 1)e^-x Find the critical (or stationary) points off and, for each, determine whether it is a local maximum, local minimum or inflexion point.
2. A firm has fixed costs of 10 and its marginal revenue and marginal cost functions are given (respectively) by