I have done a question like this several times and come out correct. I do not un

Question

I have done a question like this several times and come out correct. I do not understand why the two middle ones are wrong!

rto 3 4.00 following function, where x stands for the number of units produced. C(x) o.oo02x 0.06x120x +S00o (a what h-actual cost incurred n mnrufacturing the 91st oven? The 211st oven? The 321st over? Round your answers to the nearest cent.) 91st $[11405 211st 121 30 321st s 143 29x 90 11406 210 $ 121.26 320 $143 04 speaker system. The the follawing function, where p denotes the speaker's unit price (in dolars) and x denotes the quantity demanded.

Explanation / Answer

a)from above actual cost of 211 st oven =C(211) -(C200) =29527.53-29406.2 =121.33

actual cost of 321 st oven =C(321) -(C320) =143.17

please try above and revert.

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