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Mathematics 12 Online
OpenStudy (anonymous):

Business Math

OpenStudy (anonymous):

OpenStudy (saifoo.khan):

tutor needs help? ;o

OpenStudy (saifoo.khan):

a) 8000 + 200x - 0.02x^2 insert x = 300.

OpenStudy (saifoo.khan):

b) 8000 + 200x - 0.02x^2 insert x = 301. Then after you get the result, subtract it from the result you get in (a).

OpenStudy (anonymous):

I am not a real tutor. haha. I know already the answer for letter a.

OpenStudy (saifoo.khan):

Lol

OpenStudy (amistre64):

i think they want a linear approxiation in the end

OpenStudy (saifoo.khan):

Amistre will continue from here. :) idk the c and d part.

OpenStudy (amistre64):

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OpenStudy (amistre64):

the marginal function i think is just the line between the 2 points found in a and b

OpenStudy (anonymous):

saifoo.khan. Are you sure of the answer for letter b?

OpenStudy (anonymous):

Help please. :(((

OpenStudy (amistre64):

hwo much does it cost to make 300? how much does it cost to make 301? for 1 extra unit, how much did the cost increase? this determines your slope between the 2 points of reference

OpenStudy (amistre64):

therefore a good linear approx is: to use that slope and one of the points to form the equation of a line with

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