Real-world examples of the use of prime factorization

Is the square root of 4 plus the square root of 16 rational?

One of the problems with our current election system is? ?

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)