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Given:
The table of values.
To find:
The y-intercept of the given function.
Solution:
The table of values represents a linear function because the rate of change is constant.
Consider any two points from the given table. Let the two points are (-2,15) and (1,6). Then the equation of the linear function is
Adding 15 on both sides, we get
Putting x=0, we get
The y-intercept is 9. Therefore, the correct option is C.