The average annual salary of the employees of a company in the year 2005 was $70,000. It increased by the same factor each year and in 2006, the average annual salary was $82,000. Let f(x) represent the average annual salary, in thousand dollars, after x years since 2005. Which of the following best represents the relationship between x and f(x)?

- anonymous

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- anonymous

help mehhhhhhhhh

- anonymous

@Z4K4R1Y4

- anonymous

@Z4K4R1Y4 @Z4K4R1Y4 @Z4K4R1Y4

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## More answers

- Z4K4R1Y4

where are the options?

- anonymous

f(x) = 70(1.17)x
f(x) = 82(1.17)x
f(x) = 70(2.2)x
f(x) = 82(2.2)x

- anonymous

:)

- Z4K4R1Y4

lol
for the scenario given: x = 1 and f(x) = 82

- Z4K4R1Y4

so pick the option where the answer = 82

- Z4K4R1Y4

Note: you may have to round up.

- anonymous

the second one ?

- Z4K4R1Y4

for the second one you would have: 82 * 1.17 * 1 = 96

- anonymous

so it would be the 3rd one

- Z4K4R1Y4

the third one would be: 70 * 2.2 * 1 = 154

- anonymous

sorry 4th on e im stupid

- Z4K4R1Y4

show me how you'd do the 4th one

- anonymous

82 *2.2=17.6 so it would be the second one

- Z4K4R1Y4

i get 180

- anonymous

how._.

- Z4K4R1Y4

try the first one

- anonymous

ok

- anonymous

81.9

- Z4K4R1Y4

if you round up what do you get?

- anonymous

how do i round it up

- anonymous

is there's like a formula or something

- Z4K4R1Y4

if i was to round 59 up to the nearest ten then it would be 60
if iwas to round up 390 to the nearest hundred it would be 400
if i was to round up 6.9 to the nearest whole number it would be 7

- Z4K4R1Y4

does that help?

- anonymous

yesssssss

- Z4K4R1Y4

so 81.9 = ?

- anonymous

82?

- Z4K4R1Y4

right!!

- anonymous

wOoOoOo

- Z4K4R1Y4

lol

- anonymous

haha can you help me with another one .... please pretty please

- Z4K4R1Y4

i'll try

- anonymous

yes! you are awesome!!!!!

- anonymous

ok here we go
The population f(x), in millions, of State A of a country after x years is represented by the function shown below:
f(x) = 4(1.08)t
The graph shows the population g(x), in millions, of State B of the country after x years:
Which conclusion is correct about the population of State A and State B?
The original population of State A was double of the original population of State B.
The original population of State B was double of the original population of State A.
The original population of State A was four times of the original population of State B.
The original population of State A was equal to the original population of State B.

##### 1 Attachment

- anonymous

:D

- Z4K4R1Y4

by looking at the graph whats the original population of State B?

- anonymous

um 2?

- Z4K4R1Y4

yes. 2 means 2 million.

- anonymous

ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo

- Z4K4R1Y4

lol
now for state A the equation has the same structure as your previous problem:
f(x) = original vaue * constant * number of years

- anonymous

4.32 :D

- anonymous

?

- Z4K4R1Y4

you can get the original population for state A from the equation without any calculation. there is no need to multiply 4 & 1.08

- Z4K4R1Y4

|dw:1432948429226:dw|

- anonymous

|dw:1432948575983:dw|

- Z4K4R1Y4

what i'm saying is that the original population of State A is 4 million since the rate of change is given by multiplying the original value by a constant.

- anonymous

ooooh ok

- Z4K4R1Y4

so which is the correct statement?

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