If X ~ N(μ, σ2), find E(|X|2).

Q: c) Let S= {-1, 0, 2, 4, 7}. Find f (S) if i. f(x)=[x/5]. ii. f (x) =L (x² + 1)/3 %3D %3D

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Q: f(x) = Vx+9– 10.

A: We can solve the given problem using concept of function.

Q: Let f(x) =x²-x -5 and gx)= -8x+4. Find g(3) and f(g(3)). %3D 9(3) = f(g(3)) = %3D %3D

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Q: determine f ∗g. Q. f(t)=t2, g(t)=et

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Q: Let f(x1, x2, X3)=( x1³ + x2, x1² + x3). Find df(1,2,3)(-3, –2, –1).

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Q: Find Vf(a), given the following data. 91 Calculate 91, 92 and 93 such that Vf(a) = 92 93. 91 92 93 =…

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Q: When a die is thrown X denotes the number turns up. Find E(X), E(X²) and Var(X).

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Q: If f(x) is a linear function, f( – 5) = - 5, and f(5) = – 3, find an equation for f(x) Submit…

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Q: Let f(x) f-¹(-2) = x + 3 x + 6

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Q: e-X f(x, у) %3D x2 + y2

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Q: Using a calculator or computer, sketch the graph of f for k = 1/9, 1/6, 1/3, 1/2, 1, 2, 4. Describe…

A: Given:     f(x) = e5x - kx    k = 1/9 , 1/6 , 1/3 , 1/2 , 1 , 2 , 4

Q: Let f(x) = 1 and g(x) +4. Then (fo g)(æ) (go f)(x) =

A: (f o g)(x) = x/6 (g o f)(x) =(4x -10)/(x-4)

Q: Let f(x) = ex . Then f(n) (0)    ???????

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Q: Let S = {1,3,5}.  Find f(S)

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Q: Find f such that f' (x) = 8x – 7, f(6) = 0. %3D f(x) =

A: Given: f'(x) = 8x-7,    f(6)=0 We need to find f(x)

Q: Estimate f(−1.99,−1.03) given that f(−2,−1)=−3, fx(−2,−1)=4, and fy(−2,−1)=1.

A: The given problem is to estimate the value of f(-1.99,-1.03) from the given functional values. Given…