Question

the graph below shows the solution set of which inequality
help plz !

Answer 1

A) X^2>=16. Just substitute some values: x = 5, works, x = -5, works, and the dots mean take the case qith the "=" in it. Hope it helps in other cases

Answer 2

x^2 >= 16
x >= 4
and
x <= -4
so answer is A.