1. Graph the functions () = + 2−3 and () = 4 − 2 + 1 using technology. Paste your graph ordraw a graph, and label the points of intersection, rounding values to three decimal places.a) Find the sum of the two areas created by the intersection of () and () from [0, 1].b) If the region created on 0 ≤ ≤ 0.528 is the base of a solid whose cross sectionsperpendicular to the -axis are squares, determine the volume of the solid