From 2004 through 2012, the average weekly income of an employee in a certain company is estimated by the quadratic expression 0.16n^2 + 5.44n + 2240, where n is the number of years after 2004. In what year was the average weekly income of an employee equal to Php2,271.20?

a. 2007
b. 2008
c. 2009
d. 2010


1

Answers

  • Brainly User
2016-06-26T15:26:44+08:00
ANSWER: C. 2009

In 2009, the employees has been working for 5 years since 2004.

n = 5

f(n) = 0.16(5)² + 5.44(5) + 2,240
f(n) = 0.16(25) + 27.2 + 2,240
f(n) = 4 + 27.2 + 2,240
f(n) = 2,271.20


0