Calculus handout on Riemann sums with a graph and handwritten solutions for subinterval calculations.
A calculus handout titled "Riemann Sums and the Definite Integral Lab" with handwritten answers, showing a graph of a function f on the interval [a, b] divided into four subintervals, and questions about subinterval length and expressions for x₁, x₂, x₃, x₄.