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Evaluate the Riemann sum for f ( x ) = 0.9 x − 1.5 sin (...

Evaluate the Riemann sum for f ( x ) = 0.9 x − 1.5 sin ( 2 x ) over the interval [ 0 , 2.5 ] using five subintervals, taking the sample points to be right endpoints. step by step and answer please. can u also show me how to enter in ti 83.

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