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astra-53 [7]
2 years ago
10

Which set of ordered pairs represents a function?

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
3 0

Answer:

{(3, -1), (7, 1), (-6, -1), (9, 1), (2, -1)}

Step-by-step explanation:

Any relation having repetitive x-coordinates, is NOT a function.

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andrew-mc [135]

Answer:

$26.60

Step-by-step explanation:

Calculation for the marginal cost of a calculus textbook

Marginal cost =($52,900-$26,300)/(2,000-1,000)

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Or

First step

$52,900=2,000x +c equation (1)

$26,300= 1,000x+c equations (2)

Second step is to subtract equation (1) from equation (2)

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Third step is to find the marginal cost

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x=$26.60

Therefore the marginal cost of a calculus textbook will be $26.60

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