The average annual 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

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

round to the nearest year.
the average annual 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

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

round to the nearest year.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?