Test every representation for additive change: equal increases in the input must produce the same change in the output. Report the complete set of labels that meet this condition.

A. A table has \(x\text{-}\text{values}~0,~1,~2,~3\) and \(y\text{-}\text{values}~14,~11,~8,~5\).
B. \(y~=~3^x\)
C. A straight line has \(y\text{-}\text{intercept}~6\) and rises \(4~\text{units}~\text{for}~\text{every}~1~\text{unit}\) to the right.
D. A bacteria sample triples every hour.
E. Parking cost after \(h~\text{hours}\) is \(c~=~6~+~2h\).

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