Learning Objective 3b Rubric: 0 \"1\" correctly sketch the correct graph and region whose area is represented by the integral, and evaluate using formulas from geometry. 0 \"0\" incomplete work or incorrect answers. Consider the following piecewise-dened function 90:): _ '29 x2, x S 3 90:) BL x>3 a. Sketch the graph of g(x), and shade in the region whose sum of signed areas represent the integral f: 90:) dx. b. Evaluate I: 906) dx using areas and geometry. Give your numerical answer as an exact, unsimplied value, and show your calculations