Wanda Littlemore's utility function is U (x, y) = x + 63y2.Her income is 184. If the price of x is 1 and the price of y is 33, how many units of good x will Wanda demand?
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1.Wanda Littlemore's utility function is U (x, y) = x + 63y2.Her income is 184.
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2.下列哪一项等同于x!=y?: ! (x == y)|x > y && x < y|x > y || x < y|x >= y || x <= y
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3.x /= x*y z等价的语句是 。A、x=x/(x*y z)B、x=x/x*y zC、x=(x*y z/)xD、x=x*y z/x
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4.设 z = f(u, v),u = φ(x, y),v = ψ(x, y),则∂z/∂x = ( )
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5.The random variables X and Y have a discrete joint distribution with joint probability function:P(X =
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6.x y r (4)y x y xx y x y
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7.S)y'= x
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8.y= a" x" x* (a
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9.Using DeMorgan’s Law, write an expression for the complement of F if F(x,y,z) = xy xz yz.
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10.\(设f(x),g(x)是可微函数,且满足u(x,y)=f(2x+5y)+g(2x-5y),\\u(x,0)=\sin {2x},u'_y(x,0)=0,则u(x,y)=(\,)\)