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Study the function below. f(x) = –3x Label the function as proportional or non-proportional. Explain your reasoning.

User Bin Chen
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y = f(x) = -3x y = -3x y = (constant) x y is proportional to x. Hence we can say Y is proportional to x , having (-3) as proportionality Constant. hope this helps
User SaadAAkash
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