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Mathematics 22 Online
OpenStudy (anonymous):

WILL MEDAL/FAN NO DIRECT ANSWERS :) The following table shows the expressions that represent the sales of 4 companies: (Company A) :170(1.04)^x (Company B): 330(1.80)^x (Company C): 250(0.06)^x (Company D): 120(1.09)^x

OpenStudy (anonymous):

Rank the company sales by smallest to largest percent of increase and select the correct answer below. A, B, C, D A, C, B, D D, A, C, B C, A, D, B

OpenStudy (danjs):

Each of those companies have the same sales exponential form... Sales = (Starting amount) *(Factor)^(Time)

OpenStudy (danjs):

So each time x increases by 1, the amount of sales is multiplies by what is in the parenthesis...

OpenStudy (anonymous):

Its D, correct?

OpenStudy (anonymous):

*Is NOT it's

OpenStudy (danjs):

You rank them from smalles to larges term in ( ) , that is the number the sales are multiplied by each increase in x(time)

OpenStudy (anonymous):

because following the F(x)=p(1+r)^x

OpenStudy (danjs):

right, the percent increase is determined by the (1+r) number... the current sales, p, is multiplied by that number for each increase in X

OpenStudy (anonymous):

okay... Maybe C?

OpenStudy (danjs):

Company C actually decreases, because the number is less than 1 0.06

OpenStudy (anonymous):

I meant the number/answer choice... B being the highest, I meant I chose answer D...

OpenStudy (anonymous):

@DanJS

OpenStudy (danjs):

right

OpenStudy (danjs):

the percents are just 100 times those values, 1.09 = 109% of the previous value

OpenStudy (anonymous):

So answer D is correct?

OpenStudy (anonymous):

@DanJS

OpenStudy (danjs):

yes

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