Aliaa and Zhang Li are tennis-playing robots. Alisa is 715 cm from Zhang Li and 2.200 cm from the far corner. Zhang Li measures an 91 angle between Aliaa and the far corner, as shown
2.290 em
Aliaa
?
91
715 cm
Zhang Li
From Alias's viewpoint, what is the angle between Zhang Li and the far corner?
Do not round during your calculations. Round your final answer to the nearest degree.
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Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.