Consider the function f (x) = 4x - 3 on the interval [1, 4] using the Right Riemann sum with n = 6. Which of the following statements is false/incorrect? The heights of the rectangles are 3, 5, 7, 9, 11 and 13, respectively. The area between the graph of f and the x-axis on the interval [1, 4] is 48 square units. The given interval is [1, 4], hence, a = 1 and b = 4. The width of each rectangle is

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