
The answer is A but I don't understand why!
$ -2 \log_e (x^2) $ can be re-written as $ -4 \log_e(x) $ right?
but why do these two graphs look different?
the graph $-2 \log_e (x^2) $ is one to one from $ x > 0 $ or $ x < 0 $... why $-1$?

The answer is A but I don't understand why!
$ -2 \log_e (x^2) $ can be re-written as $ -4 \log_e(x) $ right?
but why do these two graphs look different?
the graph $-2 \log_e (x^2) $ is one to one from $ x > 0 $ or $ x < 0 $... why $-1$?
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Hint:
the function should be