For the function, nd the point(s) on the graph at which the tangent line is horizontal. y=x35x2+7x+2 \"'~-~.~______ Select the correct choice below and, if necessary. ll in the answer box to complete your choice. 0 A- The pointls) at which the tangent line is horizontal is(are) I. (Simplify your answer. Type an ordered pair. Use a comma to separate answers as needed.) 0 B. The tangent line is horizontal at all points of the graph. .r O c. There are no points on the graph where the tangent line is horizontal