Given the function f ( x ) = ( 2 - x)2 7 3 Find the following: a. [3 points] the intervals where f(x) is increasing and where f(x) is decreasing; b. [1 point] the relative extrema of f(x), if any; c. [3 points] the intervals where f(x) is concave upward and where f(x) is concave downward; and d. [7 point] all the inflection point(s) off(x), if any