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Mathematics

1 answer:

elixir [45]3 years ago

3 0

All it takes for a relation to be a function is for each possible first number of a pair there's only one possible second number.

So if any of the sets has two pairs with the same first number, that one's not a function.

The last one has (3,2) and (3,5) so isn't a function.

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anyanavicka [17]

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White raven [17]

Hello,

The graph below is the graph you may have forgotten to upload. This will help me understand the question better and to give you a great answer.

A: " 1 lb of apples will cost Zack $2.50. "
___________________________________________ C: " 4 lb of apples will cost Zack $10. "
Hope this helps

-Jurgen :D

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3 years ago

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nasty-shy [4]

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4x%20-%201%7D%7B2%7D%20%20%3D%20x%20%2B%207%20%5C%5C%20" id="TexFormula1" title="

AlekseyPX

Answer:

$x=\frac{15}{2}=7.5$

Step-by-step explanation:

See image.

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3 years ago