Mathematics Homework Help

Mathematics Homework Help. need calculus help Total Cost

the total cost for soni corp to manufacture DVD players is given by f(x) = 6x^3 – x^2 + 7x + 90, where x represents DVDs

find marginal cost for sony corp when it manufactures 5 DVDS 

I got 447?

A. 447

B. 537

C. 337

D. 737

Mathematics Homework Help

 
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