Approximate the area under the curve over the given interval using 3 midpoint rectangles.

Evaluate the integral.

If f is a positive, continuous function on an interval [a, b], which of the following has a limit equal to the actual area under the curve from a to b as the number of rectangles approaches infinity? LRAM, RRAM, MRAM

Evaluate the integral.

Use NINT to evaluate the expression.

Use the graph of the integrand and geometric areas to evaluate the integral.

Evaluate the summation.