What did I do wrong, it says I'm wrong

Mathematics

1 answer:

Alisiya [41]3 years ago

7 0

Answer:

This is not a function.

Step-by-step explanation:

Note, that set A contains 3 elements that only map to 2 elements in set B. A function would require that each element of set A to match to only one element of set B.

Since set B contains an element with no mapping to an element in set A, this does not represent a function.

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andreev551 [17]

Answer:

$405.60

Step-by-step explanation:

If Isaac works for 40 hours will earn $8.45×40=$388. Since he worked 4 extra hours, he will earn $8.45×2×4 since he worked 4 extra hours. $8.45×2=$16.90, which is the amount he earns for every extra hour he works. $16.90×4=$67.60. Now if we add $67.60+$388=$405.60.

Hope this helps!

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3 years ago

Ax-by/c =d solve for x

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Answer: x = (cd + by) / a

Working out:

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3 years ago

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Iteru [2.4K]

Answer:

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Step-by-step explanation:

Hope this helped! Have a great day!

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2 years ago

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