The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function: I=-425x^2+45,500x-650,000 What is the youngest age for which the average income of a lawyer is $275,000? Round to the nearest year.

Question

anonymous · Answer

$$ -425x^2+45,500x-650,000=275,000$$

anonymous · Answer

looks like a job for a calculator click on 'approximate form" to get a decimal http://www.wolframalpha.com/input/?i=-425x^2%2B45%2C500x-650%2C000%3D275%2C000

samsan9 · Answer

do i put 28 year?

aum · Answer

27.282 when rounded to the nearest year is 27.