Functions Unit Test

Question

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Question
Which of the following tables represents a function that is proportional?

Function 1:

x y
1 2
2 4
3 6
Function 2:

x y
1 2
2 3
3 4(1 point)
Function
is proportional.
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Answer 1

The first table represents a proportional function because for every value of x, y is always double x. This is evident in the pattern where y is always 2 times the value of x.