Answer Happy

the area of the The rectangles in the graph below illustrate a left endpoint Riemann sum for f(x) 12 on the interval (3.7). The value of this left endpoint Riemann sum is and this Riemann sum is select an answer] region enclosed by y = f(), the x-axis, and the vertical lines x = 3 and x - 7. [select an answer] an overestimate of equal to an underestimate of there is ambiguity

the area of the The rectangles in the graph below illustrate a left endpoint Riemann sum for f(x) = (12/x) on the interval (2,6). The value of this left endpoint Riemann sum is and this Riemann sum is [select an answer] [select an answer) region enclosed by y = f(x), the x-axis, and the vertical lines x = 2 and x = 6. an overestimate of equal to an underestimate of there is ambiguity