Write the rational number as a decimal Ex: 7/8. I will mark as BRAINLEST if you give a good explanation on how to do it!! Please only answer if you have a proper explanation on how to do it without a calculator.

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