Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm your result. Function

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Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm your result.FunctionPointg(t) = -4 cost + 7(7, 11)9'(IT) =XNeed Help?Read ItTalk to a Tutor