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March 4, 2015

March 4, 2015

Posted by **molly** on Friday, October 8, 2010 at 3:31pm.

a) If C′(67) = 65 and R′(67) = 86, approximately how much profit is earned by item number 68?

b) If C′(149) = 120 and R′(149) = 98, approximately how much profit is earned by item number 150?

- math -
**MathMate**, Friday, October 8, 2010 at 7:01pmmarginal profit = R'(x)-C'(x)

a).

Profit for item 68

= π'(67)

= R'(67)-C'(67)

= 86-65

= $21

I'll let you try b).

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