If the variation of temperature is given by the function
t=280.0+0.002x^2+0.004y^2+0.0098z, compute the change in
temperature for a displacement of 100m in the northwesterly
direction and 50m in the vertical direction.

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?