PROBLEM 2 ($6) Let f: R - R be defined for all real numbers by f(x) = 5x2 - 6x + 2. Find all local extrema (minima and maxima) of f. Which ones are global extrema? PROBLEM 3 ($6) Let g: (-3, 3) - R be given by 1 g(x) = x2 - 9 Find all local extrema (minima and maxima) of g. Which ones are global extrema