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2 votes
The table below shows the salary that Ellen earned at her job based on her years of experience.

Years of
Experience
Salary
4 $31,900
5 $32,625
6 $33,350
7 $34,075
8 $34,800
9 $35,525
10 $36,250
Which explicit formula can be used to determine the salary, f(n), that Ellen earned with n years of experience?

1 Answer

3 votes

Find the difference between year 4 and year 5 salary.


32,625 - 31,900 = 725 (rate of change)

Multiply
4 * 725 then subtract that number from 31,900 to find out base salary


4* 724 = 2,900


31,900 - 2,900 = 29,000

That's the constant.

So,


f(n) = 725n + 29,000

The table below shows the salary that Ellen earned at her job based on her years of-example-1
User Kdog
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