Question

The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function:

I=-425x²+45,500x-650,000


What is the youngest age for which the average income of a lawyer is $450,000?

Round to the nearest year!

so far I have 425x2²-45,500+110,000=0 The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function:

I=-425x²+45,500x-650,000


What is the youngest age for which the average income of a lawyer is $450,000?

Round to the nearest year!

so far I have 425x2²-45,500+110,000=0 @Mathematics