Suppose E(X) = 2, V(X) = 4, E(Y) = 6, V (Y) = 8, and E(XY)= 10. (1) E(X +Y) (2) V(2X +3Y) (3) V (2X — ЗҮ) (4) Cov(X – 2Y, 3X +4Y)

Q: S={(x,y)∣∣x is the son of y}

A: The given set S={(x,y) | x is the son of y} is not a mathematical or geometrical expression. It is a…

Q: Let h(x) = f(x)g(x). If f(x) = 4x² – 3x and g(x) = In(3x – 1), what is h' (x)? Select the correct…

A: The given functions are fx=4x2-3x and gx=ln3x-1. Here,  hx=4x2-3xln3x-1.

Q: Let fi (2) - 32 – 1, f2(x) = - 4x – 7x + 6, fa(z) = 2x² + 2x + 3, and f.(z) 6x – 8 Suppose af, (x) +…

A:

Q: Given f(x, y) Evaluate f(10, 8) f(10, 8) = 70x +90y - 5x² - 4y² - xy =

A:

Q: FCX)={x-3)? C12

A:

Q: If f(x,y)=xe/2,+37x?y3, then dx²əy³ at (1,1) is equal to

A:

Q: Find Cyy(x.y) if C(x.y) = 9x² + 5xy – 2y²+4x-4y-8. Cy (x.y) =D

A:

Q: Given y = f(x), if f(2)= -3 f(4) = 5 f-¹(-7)=2 Decide if f(x) is invertible. Give a clear…

A:

Q: Let f(x) = x2 g(x) = 2x-3 h(x) = Vx+1 %3D %3D 5. (g o f)(1) 6. (h o g)(5) 7. (g oh)(1) 8. (fo g)(x)

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: X 0 1 2 3 y 4 12 36 108 Write the equation for the exponential relation represented in the table of…

A:

Q: Find f, (8,2) if f(x.y) = e* - 5y.

A: We can find the answer as below

Q: f(x)= s-1)² - 1

A:

Q: Find Re(z) if z(2 + i) = z+(16 + 20i)

A: Given that, z2+i=z¯+16+20i. The objective is to find Rez.       For any complex number z=a+ib, its…