Question: Pls help -5x + 4 Find the x-value(s) at which the tangent line to the curve y = - - is horizontal. (Enter your answers

Pls help

-5x + 4 Find the x-value(s) at which the tangent line to the curve y = - - is horizontal. (Enter your answers as a comma-separated list. If there are none, enter ex NONE.) X

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