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Finding Upper and Lower Sums for a Region In Exercises 21 and 22, find the upper...

Finding Upper and Lower Sums for a Region In Exercises 21 and 22, find the upper and lower sums for the region bounded by the graph of the function and the x-axis on the given interval. Leave your answer in terms of n, the number of subintervals.

Function
21. f(x)=4x+1 [2,3]

22. f(x) = 7x^2 [0,3]

Math   Calculus   
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