Is x > 3 ?
1. (x-3)(x-2)(x-1) > 0
2. x > 1
Could anyone please explain ?
I make it C I think.. though I'd like to see the OA.
Statement 1 - if x is 1, 2, 3, or 4, the statement is incorrect, thus, if x is positive, then it must be above 3. However, if x is negative, then it may perhaps work. if x is -2, then the statement is correct.
Statement 2 - on it's own is insufficient - x can be anywhere between 1 and 3...
Together though it tells us x is a positive number above 3...