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3 years ago

Tell whether each of the following is a function.

1 answer:

n200080 [17]3 years ago

6 0

Options A, C and D are functions.

In a function, for every number for 'x' there is only one 'y'. So, if you have two ordered pairs in a choice that have the same number for 'x', that is not a function.

Remember an ordered pair is written (x, y).

B is not a function as:
(x, y)
(1, -2)
(1, -3)
(1, -4)
^ All of the x-coordinates are the same.

E is not a function as:
(x, y)
(6, -1)
(6, -8)
^ Two of the x-coordinates are the same.

Thus, A, C and D are functions.

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Elanso [62]

For any single draw,

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4 years ago

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Sergio [31]

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3 years ago

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tino4ka555 [31]

Answer:

The probability of the chosen ball being shiny conditional on it being red is; 0.375

Step-by-step explanation:

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Thus;

P(A ∩ B ) = 36/150

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Thus; P(A ∩ B') = 60/150

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2 years ago

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guajiro [1.7K]

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