Question

If x > 0, which of the following is positive? 1. -x 2. x^2 3. (-x)^3 4. 1/-x

Answer 1

Answer:

$x^2$

Step-by-step explanation:

$x > 0~\text{means that x is positive number.}$

$\text{Square of both negative and positive numbers are always positive.}\\\\\text{So,}~ x^2~\textbf{is positive.}$