Let x(n) = {2,4,-3,x(0)=1,-5,4,7}. Generate and plot the samples (use the stem function) of the following sequences. 1. x1(n) = 2x(n − 3) + 3x(n + 4) − x(n)
2. x2(n) = 4x(4 + n) + 5x(n + 5) + 2x(n)
3. x4(n) = 2e0.5nx(n) + cos (0.1π n) x (n + 2) , −10 ≤ n ≤ 10

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

true

explanation:

answer:

31

explanation: