It seems like your question is missing some context. However, if we focus on the expression "4x" that you have provided:
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If "4x" represents \(4 \cdot x\), this is a linear expression and doesn't include an exponent related to the coefficient (4) or the variable (x).
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If you are asking about a specific question that involves powers or exponents that was mentioned before, please provide that context, and I can help you further.
If you're asking what the exponent of "x" is in the expression "4x", then the exponent is 1 (since any variable raised to the power of 1 can be written simply as the variable itself).
Could you please clarify or provide more details?
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