An unevenly heated plate has temperature T(x, y) in °C at the point (x, y). If T(2, 1) = 139, and Tx(2, 1) = 18, and Ty(2, 1) = -12, estimate the temperature at the point (2.02, 0.98). Give your answer correct to 2 decimal places.

Tried taking 0.02 of 18 and adding to 139, then subtracting 0.02 of 12. I have no equation so I'm stuck.

Tried taking 0.02 of 18 and adding to 139, then subtracting 0.02 of 12. I have no equation so I'm stuck.

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