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I think this question (included in the image) is looking for a derivative of sorts

4t-4
cm and y 8+ Int cm, find the rate at which the temperature T changes when t
The temperature T= T(x.y) in °C at point (x.y) satisfies T,x(1,8) 2 and Ty(1,8)= -3. If x e'
1 sec.
C per sec.
When t 1 sec, the temperature changes at a rate of
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Transcribed Image Text:4t-4 cm and y 8+ Int cm, find the rate at which the temperature T changes when t The temperature T= T(x.y) in °C at point (x.y) satisfies T,x(1,8) 2 and Ty(1,8)= -3. If x e' 1 sec. C per sec. When t 1 sec, the temperature changes at a rate of
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