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kvv77 [185]
3 years ago
11

Which equation represents a function?

Mathematics
1 answer:
Maurinko [17]3 years ago
6 0

All the answers except C has a Vertical Line when graphed. It must pass the Vertical line test in order to be a function.

Vertical Line Test: If you can draw a vertical line anywhere on a graph so that it hits the graph in more  than one spot, then the graph is NOT a function.

C.) can pass the test since it's a horizontal line.

Hope this helps!

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Akimi4 [234]

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Step-by-step explanation:

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4a+7.5c=72.5 Given


a+c=12

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a=-20.17+2.17c divide it by 3

now you would take that equation and plug it into an equation you already have since you have something to plug in for a, the easiest one to do is a+c=12

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