Q5. The ACF and the spectral density function of a time series are shown below. Comment on how these two graphs agree with each other. 0.1 0.3 0.4 0.5 80 60 Spectral Density 40 20 0 ACF -2 0 2 4 68 0.0 0.2 Frequency

Q: 2/7 + -4/3

A: Given,

Q: 3y² - 2y-1 (-)-5y²- 2y +6

A:

Q: Solve. 3 =D2 518 4.

A: Given. A linear equation in X such that 3X/4 + 5/8 = 2

Q: 12 I+(-1'] = i=1

A:

Q: 12 R 10 5

A:

Q: 2.3 Q13

A: The objective of this question is to use the Squeeze Theorem to show that the limit as x approaches…

Q: 196. 2(n+1)

A:

Q: 6. -8 3s+5 1. %3D

A:

Q: 4. w/- 4. 2.

A: Given:

Q: 4. X = 100

A:

Q: (-3)² ÷ 3 • (5 - 10 + -8)

A:

Q: -11/6+3/4

A:

Q: 2. 9=x-2y 3x + 5 = 2y

A: The given equations are system of linear equations in variables x and y. We solve these by…

Q: 4. %3D х+2 х-5 :- 3.

A:

Q: 30 = 6 + z z =

A: Given : 30  = 6+z

Q: -5 4 -2 -7 -8 2.

A:

Q: 0.3x  +  4.6y  =  1 1.6x  +  1.3y  =  2

A: Consider the following system of linear equations: 0.3x+4.6y=1                               ......…