Question: I got the answer right for (b) delta R, which is 31,000. What is the answer for A (DR)? (calculus problem) Please show all work.
I got the answer right for (b) delta R, which is 31,000. What is the answer for A (DR)? (calculus problem) Please show all work.

The revenue R for a company selling X units is R = 900x 0.1x2. (a) Use differentials to approximate the change in revenue as the sales increase fmm 2900 units to 3000 units. dR=$x (b) Compare this with the actual change in revenue. M=$
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