Mathematics Algebra Level: Misc Level

Let f(x)=ex for -2<x< 3. Use a Riemann sum with n=5 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=19.950

b.A=11.611

c.A=19.143

d.A=31.561

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