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Mathematics 12 Online
OpenStudy (anonymous):

Derivative word problem

OpenStudy (anonymous):

OpenStudy (kenljw):

You have a point (270,32) and a slope 6/1.2 therefore you should be able to graph or derive an equation of the line.

OpenStudy (kenljw):

Sorry slope should be 1.2/6

OpenStudy (anonymous):

No this is supposed to be done without an graphing

OpenStudy (anonymous):

Im supposed to come up with an equation just with the information given

OpenStudy (kenljw):

Price = (1.2/6) Pail + b set your points in equation and solve for b

OpenStudy (anonymous):

p(x)= 86- 0.2x < answer at the back of the book

OpenStudy (kenljw):

32 = (-1.2/6) 270 + b b = 86 Price = - .2 Pail + 86 initial error the slope is -1.2/6 = - .2

OpenStudy (kenljw):

This is actually a point slope problem not a derivative one (calculus)

OpenStudy (anonymous):

There's more than one way of doing this

OpenStudy (kenljw):

Possibly, pick the simplest

OpenStudy (dan815):

i want to slap a fish when i read ur question

OpenStudy (dan815):

ok well u already have a rate given

OpenStudy (dan815):

1.2 price decrease = 6 sales increase

OpenStudy (dan815):

and ur given at 32--->270 sales

OpenStudy (dan815):

soo whats the function?

OpenStudy (anonymous):

@dan815 why do you want to slap a fish LOL

OpenStudy (dan815):

i dunno i just felt like it when i read that question

OpenStudy (dan815):

there is not other way to express my emotion

OpenStudy (anonymous):

it's confusing

OpenStudy (kenljw):

They asked for price a function of pails slope -$1.2/+6

OpenStudy (dan815):

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