Question

Write a proof for the biconditional using the inverse and contrapositive.

x 2 4 if and only if 3x ≥ 12.

Answer 1

Explanation:

X is equal to 4 we know this because because the sign in between the number means greater than or equal to so 3 x 4 equals 12 and that makes the equation on right true and on the left x is also equal to for which also makes the statement on the right true as well so I think X = 4

I hope I was able to help and If not I’m sorry