At {{MATH_18}}, the second derivative test {{CMD_19}} {{CMD_20}}Indicates a local maxima{{CMD_21}} {{CMD_22}}Indicates a local minima{{CMD_23}} {{CMD_24}}Fails, but the First derivative test indicates a local max{{CMD_25}} {{CMD_26}}Fails, but the First derivative test indicates a local min{{CMD_27}} {{CMD_28}}Fails, and the First derivative test indicates that it is not a local extrema{{CMD_29}} {{CMD_30}}