Question

Which of the following inequalities is true for all real values of x? (Hint: Try plugging in some positive and negative values for x to help see which one works all the time).
Select one:
x^3 ≥ x^2
3x^2 ≥ 2x^3
(2x)^2 ≥ 3x^2
3(x – 2)^2 ≥ 3x^2 – 2