For the PMF Px(x) = { 2 0 x = 1,3, otherwise. calculate E[2x].

Q: Let f(x) = V9x – 10 . Determine f-(x). f-(x)%3D

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Q: Find the thos of P(x) = x4 -81

A: To find the zeroes of given polynomial

Q: Find f(x).

A: Given,

Q: Given h(x) = (-x² – 2x – 2), find h' (0)-

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Q: f = (-0.17) =

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Q: Let X1, X2, X3 and X4 be a random sample from population with pdf Sx, 0<x < 1 0, otherwise. fx (x) =…

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Q: If a function h satisfies h(-x) = h(x) for every number x in its domain, then h is called an even…

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Q: Find the inverses of y=(1-e-x)/(1+e-x).

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Q: Suppose f: R → R is a function such that for all x, y ≤ R, f(x + y) = f(x) + f(y) and f(xy) =…

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Q: Let h(x)=f(g(x)). If g(3)=−4, g′(3)=5, f(−4)=−6, and f′(−4)=4, find h′(3). Do not include "h′(3)="…

A: We have to find derivative of h(x) at x=3 .Information is given below:

Q: Suppose the E(X) = 2.5 and Var(X) = 1. If the variable Y is related to X by: Y = 2x - 2, find the…

A: We foil the expected value to obtain  E[(2X−2)2]=E[4X2-8X+4]=4E[X2]−8E[X]+4 We know the mean is 2.5…

Q: If h(x)=6ex−5, find h′(x).

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Q: Let X1, X2, X3 and X4 be a random sample from population with pdf 0 < x < 1 X, fx(x) = 0, otherwise.…

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Q: Consider the following table where g (x), h(x), and m(x) are

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