fx,y(x,y) = { . Express E(YX) in terms of X. . Express Var (X|Y) in terms of Y. 15x²y 0 0

Q: Evaluate W(3,-1) for the function W(x,y) = 4x^2 + y^2

A: W(x,y) = 4x2 + y2Find W(3,-1)

Q: find the absolute extrema of the function f(x) = x^2 - 6x on the intervals [- 1,6], (3,7], (0, 6),…

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Q: Determine end behavior

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Q: Find the domain and sketch the graph of the function.

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Q: Determine for what x values the function f(x)=x^2-3x+2/x^2-1 is discontinuous

A: Function is discontinuous at that point where denominator of the function  not define

Q: Given the following function notations, find h(x) = f(x) + 2g(x). * f(x) = 7x – 5x + 2 and g(x) =…

A: Given the following functions                                      f(x)=7x3-5x+2  and  g(x)=3x2-1…

Q: What points is the function y=|5x-1|+7sin(7x) continuous?

A: we have given function y=5x-1+7sin(7x) we know that  sin(ax) is continuous everywhere hence sin(7x)…

Q: does y^2+x^2=4 define y as a function of x?

A: A relation from a set X to another set Y is called a function if each element of X is related to…

Q: given the function: y = x^3 + 2x^2 + x + 1 a. Find intervals where the function is increasing and…

A: In the question it is asked to conclude some points for the function given.

Q: I want to know how to find the range and y intersept for 6+y=0

A: Consider the given equation.6 + y = 0

Q: find the intervals where the function is BOTH decreasing and concave up. f(x) = (x^3) - (7x^2)-5x+9

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Q: Graph both functions on one set of axes. f(x) = 3" and g(x) = 7" y 6 -1.5 -1.0 -0.5 0.5 1.0 1.5 -1.5…

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Q: Let f(x) = x^2/√x−10 + 1/2x−30. Find the domain of f

A: