If a temperature function is given in the x,y plane by T(x,y) = x+y, what is the value, to 3 decimal places, of the corresponding temperature function T1(u,v) at the point (u,v) = (e,f)?
If a temperature function is given in the u,v plane by T(u,v) = u+v, what is the value, to 3 decimal places, of the corresponding temperature function T1(x,y) at the point (x,y) = (f,e)?