Question

The average annual 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
according to the model , at what average age do lawyers earn their maximum average annual income?

Answer 1

They earn there maximum income at an age of $$\frac{910}{17} \text{Years}$$

Answer 2

ok thank you

Answer 3

so rounding to the nearest year is 54

Answer 4

Yes sir

Answer 5

you can use the vertex for a quadratic. x = -b/2a

Answer 6

yes you could do that