Question: The graph in Fig. E3.12(a) depicts a gentle change in atmospheric temperature from T1 over the sea to T2 over land. The temperature profile is

The graph in Fig. E3.12(a) depicts a gentle change in atmospheric temperature from T1 over the sea to T2 over land. The temperature profile is described by the function
T(x) = T1 + (T2 - T1) = (e-x + 1),
Where x is measured in kilometers and x = 0 is the sea-land boundary. (a) In which direction does –½T point and (b) At what value of x is it a maximum?

T. Sea Land T ea Land Figure E3.1:2

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