To answer this question, we should substitute the values of x in the predicate. Once we do that, the predicate is transformed into a proposition, and we can state the truth value.
So, let’s start answering the questions.
To answer this type of question, we can use the answer to the previous ones.
We already know that exists at least one value x, such that P(x) is true.
Such a value can be x=0.
In this case, we can use a similar approach to e).
From c), we know that exists at least on value x=2, such that P(x) is false.
Therefore, we can state that not for all values of x, P(x) is true.