Consider the Riemann sum

a. What are the values of ∆x and a?

b. What definite integral is being approximated?

c. Is this Riemann sum an overestimate of the integral, anunderestimate of it, or is it impossible to tell? Explain youranswer.

499 Σ(5 – (2 + 0.006s)?)Δ.r =0