A company is designing a vase. They plan to use the solid formed by rotating 360° about the z-axis the function f defined by f(x) = where x ER, 20 and keR+. The region to be rotated is enclosed by the graph of y = f(x), the x-axis, the y-axis and the In 396 as shown in the following figure. line = 0 ke/2 4+e Y y = f(x) B L (a) Show that the volume of the solid formed is 79Tk² 100 KEILE ALLALAAAAA BC cubic units. A

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