Use a computer algebra system to graph fand to find f and ". Use graphs of these derivatives to find the following. 2 + el/x The intervals where the function is increasing. (Select all that apply.) a (2, 2) none of these The inflection points of the function. (Round your answers to two decimal places.) x, y) (x, y) (smaller x-value) (larger x-value) The intervals where the function is concave up. (Select all that apply.) O (-0.45, 0) o (o, 0.38) O (o.38, ) (-0.45, 0.38)