kortetsosie4576
11.10.2020 •
Mathematics
Which of these relations is a function?
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Ответ:
Why is this? This is the only relation that passes the vertical line test.
The other choices have situations where we can draw a single straight vertical line through more than one point on the blue curve. That means the graph fails the vertical line test and we do not have a function.
For a function to be possible, any x input must lead to exactly one y output.
Ответ:
it's a closed shape with all lines connected