Which of the following relations has a domain of {-4, -2, 1}? Group of answer choices

{(1, 2), (-2, 3), (4, 6)}

{(1, 2), (-2, 2), (-2, 4), (-4, 4)}

None of the other answers are correct

{(-1, 2), (4, 3), (-2, 6), (-2, 3)}

{(1, 2), (-2, 2), (-2, 4), (4, -4)}

{(1, 2), (-2, 2), (-2, 4), (-4, 4)}

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just for that im not answering

part d

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theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.