Respuesta :
Answer:
because the square root is limited in it's range to only positive values whereas the function flx 2 x^2 has a domain of both positive and negative values
Answer:
Perfect squares don't have "two" square roots
Step-by-step explanation:
It's just 1 number that divides perfectly to get a perfect square.
For example, the sqr of 64 is 8. 64 doesn't have "two" square roots because 8 and 8 are the same thing.
It has one square root: therefore, it's a perfect square.