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Y = 1/2x - 6
Is this a function?

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Answer:

what about y=(x - 5 to the 2nd power is it linear

answered
User Matti Lehtinen
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Yes.
When you graph it, it creates a straight line since it is linear. It has a slope that is not undefined so therefore each x value has a unique y value, thus making it a function.

Hope this helps!

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