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Mathematics 22 Online
OpenStudy (freemap):

Please Help Me

OpenStudy (freemap):

Scientists studied two animal populations. Function f(x) = 830(0.8)x models a bear population in a given region x years after the study began. The table models the cougar population in the same region. Use the table of data to interpret a linear function. Fifteen years after the study began, about how many times greater was the cougar population than the bear population? 2.5 times 5 times 9 times 18 times

OpenStudy (freemap):

@radar

OpenStudy (anonymous):

plug in 15 into f(x) to get the bear population. What do you get?

OpenStudy (freemap):

12 830 * 12=9960

OpenStudy (anonymous):

Is the x an exponent in that equation?

OpenStudy (freemap):

sorry yes thereofore .035 830 * 0.35=290.5

OpenStudy (anonymous):

I think you moved the decimal place. Keep it as 0.035 830*0.035 = 29.05

OpenStudy (freemap):

ok

OpenStudy (anonymous):

Then, from the table, in year 15 the cheetah pop. is 266 266/29.05 = 9.2

OpenStudy (freemap):

So that would be C because 9.2 = 9

OpenStudy (anonymous):

yes

OpenStudy (freemap):

Thanks so much i fanned and medaled you. Can you help with two more

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