Question

what does this picture represent? left riemann sum 1 right riemann sum 2 middle riemann sum 3 trapezoidal sum

Explanation:

A left Riemann Sum uses the left endpoint of each subinterval to determine the height of the rectangles. In the graph, each rectangle's height matches the function's value at the left side of its interval, which aligns with this definition.

Answer:

1. Left Riemann Sum