a) Approximate the area under graph (a) of f(x) = 3/ x" over the interval [2, 10] by computing the area of each rectangle to four decimal places and then adding b) Approximate the area under graph (b) of f(x) = 3 / x" over the interval [2,10] by computing the area of each rectangle to four decimal places and then adding The area under graph (a) is approximately (a) (Round to four decimal places as needed ) The area under graph (b) is approximately (Round to four decimal places as needed.) 10 (6)