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alekssr [168]
3 years ago
11

The average annual salary of the employees of a company in the year 2005 was ninety thousand dollars. It increased by the same f

actor each year and in 2006, the average annual salary was $91,200. 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)?
f(x) = 91.2(1.013)x
f(x) = 90(1.013)x
f(x) = 91.2(2.2)x
f(x) = 90(2.2)x
Mathematics
2 answers:
Murljashka [212]3 years ago
7 0
Rate of growing, r = 91.2/90 = 1.013

Salary, f(x) = Initial salary * (r)^ (years from 2005)

f(x) = 90(1.013)^x.

This is the second option.
Brums [2.3K]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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