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guapka [62]
3 years ago
5

PLEASE HELP ASAP! Will give BRAINLIEST! Please answer correctly! No guessing!

Mathematics
2 answers:
olganol [36]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Since we are being asked to find the domain, we are only interested in the values of x, hence we can discard the options which give y-values (we can ignore option B)

If we plot the function, and observe the graph (see attached), we can clearly see that the x-values can be positive or negative.

Hence A is wrong because it doesn't take into account the negative x- values.

Similarly, C is wrong because it doesn't take into account the positive x-values.

We are left with only option D.

We can verify this by once again looking at the graph and seeing that x can be any negative value, zero or any positive value  (ie x can be all real numbers). Hence D is the answer.

katrin [286]3 years ago
7 0

Answer:

all real Numbers

Step-by-step explanation:

because it has to be it

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