The publisher chooses to have front and back covers with a thickness of 1/3 of an inch instead. Write an equation that represents the NEW total width of the book, y, for every 100 pages of paper, x.

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis