Homework: Section 15.1 Homework Question 3, 15.1.22 > Find the domain of the following function. f(x,y)=cos -'(5y - x2) Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. {(x,y) <0} O B. {(x,y); -13 - s1} O C. {(x,y): > >0} and y}(Use a comma to separate answers as needed.) OD. {(x,y): x* O E. R2