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 $250,000? Round to the nearest year.

Question

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 $250,000? Round to the nearest year.

saifoo.khan · Answer

i did this prob yesterday! :O

saifoo.khan · Answer

HI satellite.

saifoo.khan · Answer

$250,000 = -425x^2+45,500x-650,000 

Solve.

anonymous · Answer

replace I by 250,000 solve for x.  back to law school for me

anonymous · Answer

hello saifoo!

saifoo.khan · Answer

-425x^2+45,500x - 650,000 - $250,000

anonymous · Answer

whoa another guru?  wow.  i thought myininaya had that sewn up.  don't you ever sleep?

saifoo.khan · Answer

Lol, Thnks.. 
haha, Yes i do, @ day timE!

anonymous · Answer

looks like around 26 for the answer

saifoo.khan · Answer

80.87, 26.18

cutiecomittee123 · Answer

I am confused because I plugged in 26 to the equation and got a ginormous number