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OpenStudy (daisy.xoxo619):
Find the number of real zeros in: f(X)=x^3-x+7
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OpenStudy (anthonyym):
You can graph it using a graphing calculator: The graph intersects the x-axis at -2.078, so that is the real zero, at x = -2.078.
OpenStudy (daisy.xoxo619):
so only one real zero?
OpenStudy (anthonyym):
Yes
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