The following are the temperatures in °C for the first 10 days in January: -5, -9.7, -8.9, -1, -5.2, -9.6, -7.3 ,8 ,2.8 ,-3.8
Calculate the range.

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