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Find an approximation of the area of the region R under the graph of the function...

Find an approximation of the area of the region R under the graph of the function f on the interval [−1, 2]. Use n = 6 subintervals. Choose the representative points to be the left endpoints of the subintervals.

f(x) = 5 − x2

_____ square units

2.

Find the area (in square units) of the region under the graph of the function f on the interval

[5, 6].

f(x) = 8ex − x

____square units

Please answer both questions for a thumbs up. but if you don't please do the first one

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