8022

Mathematics Calculus Level: Misc Level

Let f (x)=/x for 1<x <7.Use a Riemann sum withn=6 subintervals and sample points the midpoints of the intervals to estimate the area A between the graph of f and the x-axis. The answer that best describes the estimate is 

a. A=13.478

b.A=15.306

c.A=11.680

d.A =11.693

E.None of the other choices is the required Riemann sum