## Detailed description

y = f(x) where f(x) = x squared + 1, parabola, 10 equal width rectangles between x = 0 and x = 5, with height of each rectangle determined by left value of x starting at x = 0.

y = f(x) where f(x) = x squared + 1, parabola, 10 equal width rectangles between x = 0 and x = 5, with height of each rectangle determined by left value of x starting at x = 0.