Question

0 £ = W and A = {X/XE W and clos
then A is​

Answer 1

Since x = -|w| and -|w| is always nonpositive, we know that x must be nonpositive. However, we are unsure of the sign of w.

Thus, the only answer choice that must be true (because both results will be nonnegative) is x^2 = w^2.

Answer 2

Step-by-step explanation:

0 £ = W and A = {X/XE W and clos

then A is