Question 2.1. In each case, sketch the region R and determine its area. (1) Let R be the region under ns) : 4:3r:2 over the interval [2, 1]. (2) Let R be the region enclosed by the graphs of f(:r:) : a: + 1 and g(:}:) = (31" and the line :1: : 5. (3) Let R be the region that is enclosed by the m-axis and the curve y : :}32 + a: + 2