Find the following derivatives. Express your answer in terms of the independent variables. Ws and w, where w = 4x-4z y + 4z = -, x=s+ 3t, y = 3st, and z=s - 3t - 48t Ws (t+4) 3st+12s 8t (Type an expression using s and t as the variables.) W₁ = (Type an expression using s and t as the variables.)

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Q: : : 2. Find the area above the x-axis bounded by the function f(x) = -x² + 2x + 3 and the x-axis.

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