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Riemann sums challenge


The sum of the areas of the rectangles in the figure below approximates the area under the graph of the function
f, left parenthesis, x, right parenthesis, equals, start fraction, 4, divided by, x, squared, plus, 1, end fraction
above the interval open bracket, 0, comma, 4, close bracket.
Which of the following is the sum of the areas of the rectangles?
Choose 1 answer: