For those who may still need it in the future, the correct answer is actually: D: 3(x^2 + 1) +2
√z = 13 - 8
√z = 5
z = 5²
z = 25
In this case the z can be any number, however z cannot be less than 0 and that is the restriction. (for example; √-1 = irrational number, cannot be solved.)
So 7 is greater I am not smart I am just trying to answers some question
Answer:A.4
Step-by-step explanation:
