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Mathematics 7 Online
OpenStudy (nincompoop):

A manufacturer produces bolts of a fabric with a fixed width. The cost of producing x yards of this fabric is C = f(x) dollars. (a) What is the meaning of the derivative f'(x)? What are its units? (b) In practical terms, what does it mean to say that f'(1000) = 9? (c) Which do you think is greater, f'(50) or f'(500)? what about f'(5000)? @shamil98

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