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## Lecture #3 01/09/2015 -Business Calc

by: Nicole Goodfliesh

87

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# Lecture #3 01/09/2015 -Business Calc MATH 112

Marketplace > University of Washington > Mathematics (M) > MATH 112 > Lecture 3 01 09 2015 Business Calc
Nicole Goodfliesh
UW
GPA 3.7
Ebru Bekyel

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Practice with applications
COURSE
PROF.
Ebru Bekyel
TYPE
One Day of Notes
PAGES
2
WORDS
KARMA
25 ?

## Popular in Mathematics (M)

This 2 page One Day of Notes was uploaded by Nicole Goodfliesh on Thursday January 22, 2015. The One Day of Notes belongs to MATH 112 at University of Washington taught by Ebru Bekyel in Winter2015. Since its upload, it has received 87 views. For similar materials see Business Calculus in Mathematics (M) at University of Washington.

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Date Created: 01/22/15
Lecture 3 Quantify how much fincreases or decreases Ex Let fX24X02X2005X3 and Compute f x and use it to approximate how much f changes when X changes from 24 to 25 f x 15x204x4 Actual change f25f24 f 24 1524204244 800 9Interpretation When x changes from 24 to 25 fx will increase because 808 is positive by approximately 808 units For comparison the actual change is 242502252005253 242402242005243 which is 8425 In general we can approximate the change in f when x changes by 1 unit from a to a1 by the derivative ie f a approx fa1 fa Applications with Cost Revenue and Profit 1 C x 2012x5x2 C x 10x12 What is the MC of 20items MC onO C 20 So MC of20102012 20012 188item 9 The Cost of producing the 215t item is about 188 2 Demand as a function of price is given by q 5 D What happens to demand when price increases from 6 to 7 q 300p L 5 q 300q392 3006392 833items I 36 9 When price increases from 6 to 7 demand decreases by 833 items

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