Let be the number of men and be the number of women
in Canada in year . Let be the average income, in
Canadian dollars, of women in Canada in year .
In this problem, you do not have explicit equations for the functions
, , or , so you are not able to write explicit
equations to represent these functions. Your answers should be expressions
obtained by adding, subtracting, multiplying, dividing, and/or composing the
functions , , and .
(a) Find an expression for the function which gives the total
number of people in Canada in the year .
(b) Find an expression for the total amount of money earned by
Canadian women in the year .
You can earn partial credit on this problem.