Consider the following composite signal.
f(t) = 5sin(2π2t) + 6sin(2π3t) + 7sin(2π4t)
a. graph this in the frequency domain, showing amplitude and frequency
b. assuming the frequency is in hertz, what is the bandwidth for this signal?

i've had the same problem. i generally just ignore it, as a ton of these "verified answers" are completely wrong.

it would be a. excessive network collisions or d. slow connectivity between devices those would be my answer.

i guess the correct option is letter a.

use contrasting font sizes, but the same font style

the major difference between the two is the objective and the reward of the game. candy crush has a puzzle theme with the objective of meeting a specific quota of points or objects, you are able to gain access to the next level and compete with peers on the process. on duolingo the objective is rather different, you are given sets of questions for you to answer for you to move to the next level and as for the reward, you are able to learn available language as this is an app developed to teach the user about other languages.