For extrema , it is needed to find the derivative and determine its critcal points.. The derivative 15x4 +32x3 + 90x2 +140x +27 , has no crtitical points. Hence no extrema. The graph of the polynomial is as follows
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For extrema , it is needed to find the derivative and determine its critcal points.. The derivative 15x4 +32x3 + 90x2 +140x +27 , has no crtitical points. Hence no extrema. The graph of the polynomial is as follows
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