Question: At which value(s) for x does the graph of y = x-3x - 10x + 7 have horizontal tangent lines?

At which value(s) for x does the graph of y = x-3x - 10x + 7 have horizontal tangent lines?
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yx3132 x210x7 dydx 3x21322x10 dydx 3x2... View full answer
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