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Which table represents a linear function?

Which table represents a linear function?-example-1
Which table represents a linear function?-example-1
Which table represents a linear function?-example-2
Which table represents a linear function?-example-3
Which table represents a linear function?-example-4
User Huong
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Well, a linear function is proportional, a straight line (on a graph). And the numbers must not have the same answer. For instance, if the X input is 5, and the Y output is 7. And then another X input is 5, and the Y output is 8, that's non-linear.

So, the Answer would be the third graph. This is because the X values are steadily increasing, and so are the Y values.

For the X and Y values, for each time X increases by 1, Y increases by -8. This is, linear because both sides are constantly and evenly increasing.
Which table represents a linear function?-example-1
User Jonny Schubert
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