Question

for any real number x, if x^2 ≥ 1 then x ≥1

Answer 1

What is the question asking here?

Answer 2

correct. You can verify on a graph

Answer 3

oops I misread. the statement if x^2 ≥ 1 then x ≥1 is not correct for all real x. you can see that x^2 ≥ 1 when x ≥ 1 but also when x is less than or equal to -1.