Question 1 Suppose f(x, y) is a function such that the partial derivatives of ƒ exist and are continuous, 1 pts af of (2, 1) = 2.283 and მთ ·(2, 1) = € 2.871. მყ df Let x = 3 t² – t and y = t + sin(ït), and let A = at t = 1. Then the value of dt sin A is -0.027 0.024 -0.420 -0.850 -0.715 0.890 -0.944 -0.124

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